./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX --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 c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:58:23,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:58:23,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 16:58:23,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:58:23,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:58:24,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:58:24,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:58:24,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:58:24,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:58:24,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:58:24,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:58:24,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:58:24,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:58:24,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:58:24,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:58:24,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:58:24,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:58:24,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:58:24,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:58:24,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:58:24,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:58:24,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:58:24,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:58:24,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:58:24,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:58:24,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:58:24,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:58:24,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:58:24,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:58:24,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:58:24,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:58:24,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:58:24,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:58:24,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:58:24,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:58:24,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:58:24,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:58:24,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:58:24,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:58:24,064 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e [2024-11-08 16:58:24,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:58:24,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:58:24,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:58:24,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:58:24,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:58:24,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i Unable to find full path for "g++" [2024-11-08 16:58:26,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:58:27,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:58:27,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i [2024-11-08 16:58:27,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/data/ee505387d/bbdfc8d31e6c40d18854f8fe0c42ae4b/FLAGf36d1865b [2024-11-08 16:58:27,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/data/ee505387d/bbdfc8d31e6c40d18854f8fe0c42ae4b [2024-11-08 16:58:27,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:58:27,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:58:27,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:58:27,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:58:27,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:58:27,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:58:27" (1/1) ... [2024-11-08 16:58:27,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4563f30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:27, skipping insertion in model container [2024-11-08 16:58:27,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:58:27" (1/1) ... [2024-11-08 16:58:27,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:58:27,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4501,4514] [2024-11-08 16:58:28,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4561,4574] [2024-11-08 16:58:29,275 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,277 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,277 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,279 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,280 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,299 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,300 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,303 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:29,304 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,197 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,198 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:58:30,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:58:30,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4501,4514] [2024-11-08 16:58:30,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4561,4574] [2024-11-08 16:58:30,413 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,414 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,415 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,416 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,417 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,427 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,428 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,429 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,430 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,548 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,549 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-08 16:58:30,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-08 16:58:30,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:58:30,981 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:58:30,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30 WrapperNode [2024-11-08 16:58:30,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:58:30,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:58:30,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:58:30,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:58:30,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,233 INFO L138 Inliner]: procedures = 678, calls = 1509, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 621 [2024-11-08 16:58:31,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:58:31,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:58:31,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:58:31,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:58:31,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,389 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 47, 3, 6]. 80 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 0, 1, 5]. The 251 writes are split as follows [0, 232, 18, 1, 0]. [2024-11-08 16:58:31,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:58:31,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:58:31,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:58:31,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:58:31,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (1/1) ... [2024-11-08 16:58:31,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:58:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:58:31,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:58:31,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:58:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-08 16:58:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-08 16:58:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:58:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-08 16:58:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-08 16:58:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-08 16:58:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-08 16:58:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-08 16:58:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-08 16:58:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:58:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:58:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:58:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:58:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:58:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-08 16:58:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-08 16:58:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 16:58:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 16:58:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:58:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:58:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:58:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:58:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 16:58:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 16:58:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 16:58:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:58:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:58:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clean_up [2024-11-08 16:58:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clean_up [2024-11-08 16:58:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-08 16:58:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-08 16:58:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-08 16:58:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-08 16:58:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-08 16:58:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-08 16:58:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 16:58:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 16:58:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 16:58:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 16:58:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 16:58:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-08 16:58:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-08 16:58:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-08 16:58:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-08 16:58:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:58:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:58:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:58:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:58:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:58:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:58:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 16:58:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 16:58:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 16:58:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 16:58:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 16:58:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 16:58:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 16:58:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-08 16:58:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-08 16:58:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-08 16:58:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:58:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-08 16:58:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-08 16:58:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-08 16:58:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-08 16:58:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-08 16:58:31,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-08 16:58:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:58:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:58:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:58:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:58:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:58:32,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:58:32,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:58:38,770 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-08 16:58:38,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:58:38,798 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:58:38,798 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:58:38,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:58:38 BoogieIcfgContainer [2024-11-08 16:58:38,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:58:38,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:58:38,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:58:38,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:58:38,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:58:27" (1/3) ... [2024-11-08 16:58:38,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e0af2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:58:38, skipping insertion in model container [2024-11-08 16:58:38,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:58:30" (2/3) ... [2024-11-08 16:58:38,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e0af2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:58:38, skipping insertion in model container [2024-11-08 16:58:38,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:58:38" (3/3) ... [2024-11-08 16:58:38,815 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_clean_up_harness_negated.i [2024-11-08 16:58:38,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:58:38,838 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:58:38,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:58:38,971 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;@61627691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:58:38,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:58:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-08 16:58:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 16:58:39,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:58:39,010 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1] [2024-11-08 16:58:39,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:58:39,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:58:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash 523277031, now seen corresponding path program 1 times [2024-11-08 16:58:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:58:39,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425996790] [2024-11-08 16:58:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:58:39,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:58:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:58:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 16:58:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:58:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:58:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:58:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:58:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:58:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:58:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:58:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:58:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:58:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:58:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 16:58:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:58:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:58:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:58:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:58:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:58:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:58:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:58:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 16:58:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:58:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:58:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-08 16:58:49,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:58:49,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425996790] [2024-11-08 16:58:49,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425996790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:58:49,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:58:49,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:58:49,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620412046] [2024-11-08 16:58:49,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:58:49,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:58:49,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:58:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:58:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:58:49,915 INFO L87 Difference]: Start difference. First operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 16:58:54,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:58:58,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:59:02,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:59:09,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:09,109 INFO L93 Difference]: Finished difference Result 386 states and 530 transitions. [2024-11-08 16:59:09,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:59:09,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2024-11-08 16:59:09,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:09,128 INFO L225 Difference]: With dead ends: 386 [2024-11-08 16:59:09,128 INFO L226 Difference]: Without dead ends: 226 [2024-11-08 16:59:09,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:59:09,138 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 212 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 125 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:09,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 206 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2024-11-08 16:59:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-08 16:59:09,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 176. [2024-11-08 16:59:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2327586206896552) internal successors, (143), 118 states have internal predecessors, (143), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 16:59:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 224 transitions. [2024-11-08 16:59:09,258 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 224 transitions. Word has length 135 [2024-11-08 16:59:09,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:09,262 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 224 transitions. [2024-11-08 16:59:09,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 16:59:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2024-11-08 16:59:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 16:59:09,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:09,269 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:09,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:59:09,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:09,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:09,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1548129391, now seen corresponding path program 1 times [2024-11-08 16:59:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:09,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487692090] [2024-11-08 16:59:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:09,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:59:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 16:59:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:59:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:59:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:59:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:59:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:59:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 16:59:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:59:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:59:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:59:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:59:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:59:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 16:59:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:59:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-08 16:59:21,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:21,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487692090] [2024-11-08 16:59:21,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487692090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:21,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:21,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:59:21,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743168813] [2024-11-08 16:59:21,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:21,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:59:21,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:21,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:59:21,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:59:21,927 INFO L87 Difference]: Start difference. First operand 176 states and 224 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 16:59:26,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:59:30,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:59:47,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:59:47,230 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-11-08 16:59:47,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:59:47,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 152 [2024-11-08 16:59:47,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:59:47,237 INFO L225 Difference]: With dead ends: 327 [2024-11-08 16:59:47,238 INFO L226 Difference]: Without dead ends: 230 [2024-11-08 16:59:47,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:59:47,242 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 364 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 190 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:59:47,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 203 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1028 Invalid, 2 Unknown, 0 Unchecked, 23.3s Time] [2024-11-08 16:59:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-08 16:59:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 176. [2024-11-08 16:59:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2241379310344827) internal successors, (142), 118 states have internal predecessors, (142), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 16:59:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 223 transitions. [2024-11-08 16:59:47,292 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 223 transitions. Word has length 152 [2024-11-08 16:59:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:59:47,293 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 223 transitions. [2024-11-08 16:59:47,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-08 16:59:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 223 transitions. [2024-11-08 16:59:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 16:59:47,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:59:47,301 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:59:47,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:59:47,301 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:59:47,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:59:47,302 INFO L85 PathProgramCache]: Analyzing trace with hash -628848765, now seen corresponding path program 1 times [2024-11-08 16:59:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:59:47,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225454676] [2024-11-08 16:59:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:59:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:59:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:59:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 16:59:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:59:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:59:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:59:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:59:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:59:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:59:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:59:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:59:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:59:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 16:59:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 16:59:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:59:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:59:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:59:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 16:59:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 16:59:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:59:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 16:59:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 16:59:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 16:59:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:59:59,314 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-08 16:59:59,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:59:59,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225454676] [2024-11-08 16:59:59,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225454676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:59:59,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:59:59,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:59:59,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087699009] [2024-11-08 16:59:59,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:59:59,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:59:59,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:59:59,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:59:59,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:59:59,320 INFO L87 Difference]: Start difference. First operand 176 states and 223 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 17:00:03,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:00:26,237 INFO L93 Difference]: Finished difference Result 341 states and 442 transitions. [2024-11-08 17:00:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:00:26,238 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-08 17:00:26,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:00:26,242 INFO L225 Difference]: With dead ends: 341 [2024-11-08 17:00:26,243 INFO L226 Difference]: Without dead ends: 211 [2024-11-08 17:00:26,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:00:26,246 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 486 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 247 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:00:26,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 277 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1410 Invalid, 1 Unknown, 0 Unchecked, 23.3s Time] [2024-11-08 17:00:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-08 17:00:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 178. [2024-11-08 17:00:26,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 117 states have (on average 1.2222222222222223) internal successors, (143), 120 states have internal predecessors, (143), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (42), 40 states have call predecessors, (42), 40 states have call successors, (42) [2024-11-08 17:00:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 226 transitions. [2024-11-08 17:00:26,311 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 226 transitions. Word has length 160 [2024-11-08 17:00:26,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:00:26,312 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 226 transitions. [2024-11-08 17:00:26,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 17:00:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 226 transitions. [2024-11-08 17:00:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 17:00:26,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:00:26,318 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:00:26,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:00:26,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:00:26,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:00:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash -481990278, now seen corresponding path program 1 times [2024-11-08 17:00:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:00:26,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576375100] [2024-11-08 17:00:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:00:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:00:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:00:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:00:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:00:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:00:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:00:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:00:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:00:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:00:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:00:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:00:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:00:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:00:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:00:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:00:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:00:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:00:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:37,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:00:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:00:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:00:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:00:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:00:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:00:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:00:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:00:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:00:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:00:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 17:00:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 17:00:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:00:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-08 17:00:39,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:00:39,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576375100] [2024-11-08 17:00:39,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576375100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:00:39,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:00:39,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:00:39,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378749469] [2024-11-08 17:00:39,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:00:39,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:00:39,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:00:39,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:00:39,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:00:39,566 INFO L87 Difference]: Start difference. First operand 178 states and 226 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 17:00:43,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:00:48,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:01:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:01:07,711 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-08 17:01:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:01:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 175 [2024-11-08 17:01:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:01:07,716 INFO L225 Difference]: With dead ends: 321 [2024-11-08 17:01:07,716 INFO L226 Difference]: Without dead ends: 221 [2024-11-08 17:01:07,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:01:07,718 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 335 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 185 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:01:07,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 229 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1255 Invalid, 2 Unknown, 0 Unchecked, 25.8s Time] [2024-11-08 17:01:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-08 17:01:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2024-11-08 17:01:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 120 states have internal predecessors, (142), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (42), 40 states have call predecessors, (42), 40 states have call successors, (42) [2024-11-08 17:01:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 225 transitions. [2024-11-08 17:01:07,762 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 225 transitions. Word has length 175 [2024-11-08 17:01:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:01:07,763 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 225 transitions. [2024-11-08 17:01:07,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 17:01:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2024-11-08 17:01:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 17:01:07,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:01:07,768 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:01:07,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:01:07,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:01:07,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:01:07,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1358230565, now seen corresponding path program 1 times [2024-11-08 17:01:07,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:01:07,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443762513] [2024-11-08 17:01:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:01:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:01:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:01:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:01:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:01:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:01:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:01:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:01:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:01:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:01:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:15,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:01:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:01:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:01:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:01:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:01:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:01:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:01:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:16,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:01:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:01:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:18,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:01:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:01:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:01:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:18,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:01:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 17:01:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:19,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:01:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:01:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:01:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:01:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:01:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 17:01:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 17:01:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:01:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 17:01:20,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:01:20,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443762513] [2024-11-08 17:01:20,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443762513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:01:20,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:01:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:01:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096479065] [2024-11-08 17:01:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:01:20,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:01:20,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:01:20,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:01:20,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:01:20,128 INFO L87 Difference]: Start difference. First operand 178 states and 225 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-08 17:01:24,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:01:28,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:01:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:01:58,108 INFO L93 Difference]: Finished difference Result 334 states and 428 transitions. [2024-11-08 17:01:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 17:01:58,110 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 191 [2024-11-08 17:01:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:01:58,113 INFO L225 Difference]: With dead ends: 334 [2024-11-08 17:01:58,113 INFO L226 Difference]: Without dead ends: 221 [2024-11-08 17:01:58,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:01:58,116 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 458 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:01:58,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 282 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1552 Invalid, 2 Unknown, 0 Unchecked, 32.9s Time] [2024-11-08 17:01:58,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-08 17:01:58,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2024-11-08 17:01:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 120 states have internal predecessors, (142), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (41), 40 states have call predecessors, (41), 40 states have call successors, (41) [2024-11-08 17:01:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 224 transitions. [2024-11-08 17:01:58,165 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 224 transitions. Word has length 191 [2024-11-08 17:01:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:01:58,168 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 224 transitions. [2024-11-08 17:01:58,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-08 17:01:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 224 transitions. [2024-11-08 17:01:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 17:01:58,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:01:58,174 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:01:58,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:01:58,175 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:01:58,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:01:58,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2110292198, now seen corresponding path program 1 times [2024-11-08 17:01:58,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:01:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081701660] [2024-11-08 17:01:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:01:58,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:02:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:02:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:02:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:02:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:02:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:02:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:02:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:02:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:02:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:02:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:02:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:02:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:02:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:02:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:02:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:02:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:07,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:02:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 17:02:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:09,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-08 17:02:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-08 17:02:09,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:09,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081701660] [2024-11-08 17:02:09,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081701660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:02:09,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:02:09,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:02:09,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293254772] [2024-11-08 17:02:09,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:02:09,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:02:09,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:02:09,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:02:09,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:02:09,444 INFO L87 Difference]: Start difference. First operand 178 states and 224 transitions. Second operand has 11 states, 10 states have (on average 8.6) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:02:13,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:02:17,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:02:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:02:40,451 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-08 17:02:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 17:02:40,453 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 206 [2024-11-08 17:02:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:02:40,457 INFO L225 Difference]: With dead ends: 321 [2024-11-08 17:02:40,457 INFO L226 Difference]: Without dead ends: 221 [2024-11-08 17:02:40,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:02:40,460 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 501 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 289 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:02:40,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 274 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1090 Invalid, 2 Unknown, 0 Unchecked, 26.5s Time] [2024-11-08 17:02:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-08 17:02:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2024-11-08 17:02:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 117 states have (on average 1.205128205128205) internal successors, (141), 120 states have internal predecessors, (141), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (41), 40 states have call predecessors, (41), 40 states have call successors, (41) [2024-11-08 17:02:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 223 transitions. [2024-11-08 17:02:40,499 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 223 transitions. Word has length 206 [2024-11-08 17:02:40,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:02:40,502 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 223 transitions. [2024-11-08 17:02:40,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:02:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 223 transitions. [2024-11-08 17:02:40,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 17:02:40,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:02:40,509 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:02:40,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:02:40,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:02:40,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash -816072135, now seen corresponding path program 1 times [2024-11-08 17:02:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:40,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972024837] [2024-11-08 17:02:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:02:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:02:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:02:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:02:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:02:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:02:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:02:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:51,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:02:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:02:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:02:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:02:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:02:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:02:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:02:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:02:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:02:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:02:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:53,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:02:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:02:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:02:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-08 17:02:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 17:02:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-08 17:02:55,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:02:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972024837] [2024-11-08 17:02:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972024837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:02:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195440180] [2024-11-08 17:02:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:55,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:02:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:55,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:02:55,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:03:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:03:05,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 4840 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 17:03:05,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:03:10,856 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 15 treesize of output 1 [2024-11-08 17:03:13,562 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_9 Int)) (and (= (store |c_old(#memory_$Pointer$#2.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#2.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_9 (select (select |c_#memory_$Pointer$#2.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_9))) |c_#memory_$Pointer$#2.base|) (<= |c_ensure_array_list_has_allocated_data_member_#in~list.offset| v_ensure_array_list_has_allocated_data_member_~list.offset_9))) is different from true [2024-11-08 17:03:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 17:03:13,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 17:03:13,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 17:03:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 88 trivial. 2 not checked. [2024-11-08 17:03:20,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:03:28,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195440180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:03:28,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:03:28,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 19] total 26 [2024-11-08 17:03:28,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888071123] [2024-11-08 17:03:28,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:03:28,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 17:03:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:03:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 17:03:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=832, Unknown=1, NotChecked=58, Total=992 [2024-11-08 17:03:28,111 INFO L87 Difference]: Start difference. First operand 178 states and 223 transitions. Second operand has 26 states, 24 states have (on average 7.375) internal successors, (177), 18 states have internal predecessors, (177), 12 states have call successors, (56), 10 states have call predecessors, (56), 9 states have return successors, (54), 11 states have call predecessors, (54), 12 states have call successors, (54) [2024-11-08 17:03:32,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:36,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:40,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:45,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:49,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:54,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:03:58,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:04:03,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:05:30,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:05:30,201 INFO L93 Difference]: Finished difference Result 557 states and 763 transitions. [2024-11-08 17:05:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-08 17:05:30,202 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 7.375) internal successors, (177), 18 states have internal predecessors, (177), 12 states have call successors, (56), 10 states have call predecessors, (56), 9 states have return successors, (54), 11 states have call predecessors, (54), 12 states have call successors, (54) Word has length 208 [2024-11-08 17:05:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:05:30,209 INFO L225 Difference]: With dead ends: 557 [2024-11-08 17:05:30,210 INFO L226 Difference]: Without dead ends: 449 [2024-11-08 17:05:30,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 385 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 45.6s TimeCoverageRelationStatistics Valid=868, Invalid=5141, Unknown=1, NotChecked=152, Total=6162 [2024-11-08 17:05:30,215 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1221 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 3308 mSolverCounterSat, 651 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 3308 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 613 IncrementalHoareTripleChecker+Unchecked, 89.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:05:30,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 266 Invalid, 4602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [651 Valid, 3308 Invalid, 30 Unknown, 613 Unchecked, 89.9s Time] [2024-11-08 17:05:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-08 17:05:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 352. [2024-11-08 17:05:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 236 states have (on average 1.2161016949152543) internal successors, (287), 246 states have internal predecessors, (287), 74 states have call successors, (74), 33 states have call predecessors, (74), 41 states have return successors, (91), 74 states have call predecessors, (91), 72 states have call successors, (91) [2024-11-08 17:05:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 452 transitions. [2024-11-08 17:05:30,322 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 452 transitions. Word has length 208 [2024-11-08 17:05:30,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:05:30,323 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 452 transitions. [2024-11-08 17:05:30,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 7.375) internal successors, (177), 18 states have internal predecessors, (177), 12 states have call successors, (56), 10 states have call predecessors, (56), 9 states have return successors, (54), 11 states have call predecessors, (54), 12 states have call successors, (54) [2024-11-08 17:05:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 452 transitions. [2024-11-08 17:05:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-08 17:05:30,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:05:30,330 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:05:30,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:05:30,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:05:30,531 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:05:30,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:05:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash -295136152, now seen corresponding path program 1 times [2024-11-08 17:05:30,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:05:30,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128577788] [2024-11-08 17:05:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:05:30,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:05:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:05:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:05:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:05:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:05:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:05:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:05:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:05:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:05:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:05:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:05:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:05:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:05:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:05:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:05:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:39,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:05:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:05:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:05:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:05:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:05:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:05:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:05:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:05:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:05:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:05:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:05:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:05:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:05:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:05:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:05:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-08 17:05:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 17:05:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:05:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-08 17:05:43,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:05:43,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128577788] [2024-11-08 17:05:43,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128577788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:05:43,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:05:43,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:05:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268833720] [2024-11-08 17:05:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:05:43,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:05:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:05:43,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:05:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:05:43,259 INFO L87 Difference]: Start difference. First operand 352 states and 452 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:05:47,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:05:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:05:56,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:06:25,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:25,521 INFO L93 Difference]: Finished difference Result 598 states and 789 transitions. [2024-11-08 17:06:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:06:25,523 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 211 [2024-11-08 17:06:25,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:25,531 INFO L225 Difference]: With dead ends: 598 [2024-11-08 17:06:25,531 INFO L226 Difference]: Without dead ends: 355 [2024-11-08 17:06:25,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:06:25,538 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 294 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 178 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:25,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 362 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1352 Invalid, 3 Unknown, 0 Unchecked, 36.4s Time] [2024-11-08 17:06:25,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-08 17:06:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 306. [2024-11-08 17:06:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 206 states have (on average 1.2087378640776698) internal successors, (249), 213 states have internal predecessors, (249), 66 states have call successors, (66), 32 states have call predecessors, (66), 33 states have return successors, (72), 61 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-08 17:06:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 387 transitions. [2024-11-08 17:06:25,620 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 387 transitions. Word has length 211 [2024-11-08 17:06:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:25,621 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 387 transitions. [2024-11-08 17:06:25,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (28), 7 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 17:06:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 387 transitions. [2024-11-08 17:06:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 17:06:25,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:25,627 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:25,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:06:25,628 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:25,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:25,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1136339923, now seen corresponding path program 1 times [2024-11-08 17:06:25,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:25,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138689013] [2024-11-08 17:06:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:25,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:06:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:06:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:06:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:06:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:06:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:06:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:06:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:06:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:06:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:34,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:06:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:06:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:06:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:06:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:06:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:06:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:06:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:06:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:06:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:06:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:06:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:06:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:06:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:06:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:06:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:06:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:06:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:06:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:06:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:37,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:06:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:40,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:06:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 17:06:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:40,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 17:06:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-08 17:06:40,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:06:40,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138689013] [2024-11-08 17:06:40,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138689013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:40,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126125903] [2024-11-08 17:06:40,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:40,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:40,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:06:40,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:06:40,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:06:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:06:50,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 4877 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:06:50,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:06:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-08 17:06:53,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:06:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-08 17:06:58,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126125903] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:06:58,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:06:58,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14, 9] total 25 [2024-11-08 17:06:58,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008652188] [2024-11-08 17:06:58,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:06:58,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:06:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:06:58,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:06:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:06:58,666 INFO L87 Difference]: Start difference. First operand 306 states and 387 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 17:06:59,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:06:59,293 INFO L93 Difference]: Finished difference Result 318 states and 404 transitions. [2024-11-08 17:06:59,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:06:59,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 213 [2024-11-08 17:06:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:06:59,297 INFO L225 Difference]: With dead ends: 318 [2024-11-08 17:06:59,297 INFO L226 Difference]: Without dead ends: 316 [2024-11-08 17:06:59,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:06:59,299 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 3 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:06:59,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1085 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:06:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-08 17:06:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 313. [2024-11-08 17:06:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 210 states have (on average 1.2047619047619047) internal successors, (253), 218 states have internal predecessors, (253), 67 states have call successors, (67), 33 states have call predecessors, (67), 35 states have return successors, (78), 62 states have call predecessors, (78), 66 states have call successors, (78) [2024-11-08 17:06:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 398 transitions. [2024-11-08 17:06:59,356 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 398 transitions. Word has length 213 [2024-11-08 17:06:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:06:59,356 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 398 transitions. [2024-11-08 17:06:59,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 17:06:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 398 transitions. [2024-11-08 17:06:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 17:06:59,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:06:59,359 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:06:59,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:06:59,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:06:59,566 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:06:59,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:06:59,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1479910192, now seen corresponding path program 1 times [2024-11-08 17:06:59,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:06:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573979034] [2024-11-08 17:06:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:06:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:07:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:07:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:07:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:07:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:07:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:07:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:07:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:07:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:07:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:07:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:07:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:07:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:07:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:07:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:07:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:07:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:07:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:07:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:07:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:07:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:07:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:07:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:07:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:07:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:07:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:07:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:07:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:07:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:08,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:07:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:07:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:10,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 17:07:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-08 17:07:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 17:07:10,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:07:10,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573979034] [2024-11-08 17:07:10,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573979034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:07:10,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097027553] [2024-11-08 17:07:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:07:10,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:07:10,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:07:10,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:07:10,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:07:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:07:20,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 4881 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:07:20,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:07:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-08 17:07:22,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:07:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 17:07:30,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097027553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:07:30,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:07:30,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 21 [2024-11-08 17:07:30,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393754089] [2024-11-08 17:07:30,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:07:30,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 17:07:30,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:07:30,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 17:07:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:07:30,901 INFO L87 Difference]: Start difference. First operand 313 states and 398 transitions. Second operand has 21 states, 19 states have (on average 6.526315789473684) internal successors, (124), 16 states have internal predecessors, (124), 6 states have call successors, (41), 7 states have call predecessors, (41), 6 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-11-08 17:07:34,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:07:39,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:07:43,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:07:48,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:08:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:08:27,068 INFO L93 Difference]: Finished difference Result 485 states and 639 transitions. [2024-11-08 17:08:27,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 17:08:27,069 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.526315789473684) internal successors, (124), 16 states have internal predecessors, (124), 6 states have call successors, (41), 7 states have call predecessors, (41), 6 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 215 [2024-11-08 17:08:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:08:27,073 INFO L225 Difference]: With dead ends: 485 [2024-11-08 17:08:27,073 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 17:08:27,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 479 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 17:08:27,075 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 227 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 129 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:08:27,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 479 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1859 Invalid, 4 Unknown, 0 Unchecked, 49.0s Time] [2024-11-08 17:08:27,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 17:08:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 314. [2024-11-08 17:08:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 211 states have (on average 1.1990521327014219) internal successors, (253), 219 states have internal predecessors, (253), 67 states have call successors, (67), 33 states have call predecessors, (67), 35 states have return successors, (78), 62 states have call predecessors, (78), 66 states have call successors, (78) [2024-11-08 17:08:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 398 transitions. [2024-11-08 17:08:27,129 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 398 transitions. Word has length 215 [2024-11-08 17:08:27,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:08:27,129 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 398 transitions. [2024-11-08 17:08:27,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.526315789473684) internal successors, (124), 16 states have internal predecessors, (124), 6 states have call successors, (41), 7 states have call predecessors, (41), 6 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-11-08 17:08:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 398 transitions. [2024-11-08 17:08:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 17:08:27,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:08:27,133 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:08:27,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:08:27,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 17:08:27,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:08:27,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:08:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1438174699, now seen corresponding path program 2 times [2024-11-08 17:08:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:08:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432354813] [2024-11-08 17:08:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:08:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:08:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:08:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:08:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:08:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:08:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 17:08:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:08:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:08:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 17:08:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:08:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:08:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:08:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:08:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:08:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 17:08:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-08 17:08:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 17:08:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:08:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:08:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:08:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 17:08:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:08:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:08:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 17:08:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 17:08:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:08:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:08:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:08:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:08:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:08:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 17:08:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 17:08:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:08:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 17:08:39,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:08:39,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432354813] [2024-11-08 17:08:39,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432354813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:08:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588973338] [2024-11-08 17:08:39,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:08:39,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:08:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:08:39,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:08:39,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e728b11-c0a1-4a1b-ab37-52e91a3730fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process