./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU --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 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:19,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:19,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:03:19,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:19,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:19,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:19,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:19,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:19,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:19,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:19,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:19,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:19,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:19,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:19,398 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:19,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:19,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:19,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:19,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:19,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:19,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:19,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:19,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:19,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:19,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:19,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:19,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:19,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:19,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:19,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:19,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:19,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:19,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:19,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:19,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:19,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:19,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:19,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:19,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:19,414 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 [2024-10-31 22:03:19,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:19,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:19,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:19,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:19,856 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:19,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:03:22,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:22,711 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:22,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2024-10-31 22:03:22,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/data/ba6c9a1a8/e41b3099a6c849b08620c770ded317d7/FLAGee0b4dbfa [2024-10-31 22:03:22,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/data/ba6c9a1a8/e41b3099a6c849b08620c770ded317d7 [2024-10-31 22:03:22,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:22,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:22,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:22,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:22,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:22,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f17b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22, skipping insertion in model container [2024-10-31 22:03:22,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:23,293 WARN L251 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-10-31 22:03:23,302 WARN L251 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-10-31 22:03:24,549 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,551 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,552 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,553 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,555 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,576 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,580 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,583 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:24,587 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,464 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,465 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:25,606 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:25,632 WARN L251 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-10-31 22:03:25,633 WARN L251 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_924c953e-e524-4b77-b3e0-4d89f12bf2df/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-10-31 22:03:25,743 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,744 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,744 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,745 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,746 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,758 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,759 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,761 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,761 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,885 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,885 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:03:25,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-10-31 22:03:25,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:26,142 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:26,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26 WrapperNode [2024-10-31 22:03:26,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:26,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:26,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:26,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:26,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,334 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 765 [2024-10-31 22:03:26,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:26,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:26,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:26,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:26,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,470 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 5, 8]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 5, 2]. The 252 writes are split as follows [0, 232, 19, 0, 1]. [2024-10-31 22:03:26,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:26,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:26,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:26,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:26,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (1/1) ... [2024-10-31 22:03:26,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:26,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924c953e-e524-4b77-b3e0-4d89f12bf2df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-31 22:03:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-31 22:03:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:03:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:03:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:03:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:03:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-10-31 22:03:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:03:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:03:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:03:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:03:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:03:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:03:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:03:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:03:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:03:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:03:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:03:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:03:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 22:03:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-31 22:03:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-31 22:03:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:03:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:03:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:03:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:03:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:03:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:03:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:03:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:03:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:03:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:03:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:03:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:03:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:03:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:03:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 22:03:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 22:03:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 22:03:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 22:03:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:03:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:03:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:03:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:03:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:03:27,099 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:27,105 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:33,695 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:33,695 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:33,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:33,728 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:03:33,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:33 BoogieIcfgContainer [2024-10-31 22:03:33,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:33,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:33,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:33,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:33,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:22" (1/3) ... [2024-10-31 22:03:33,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29e006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:33, skipping insertion in model container [2024-10-31 22:03:33,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:26" (2/3) ... [2024-10-31 22:03:33,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c29e006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:33, skipping insertion in model container [2024-10-31 22:03:33,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:33" (3/3) ... [2024-10-31 22:03:33,745 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2024-10-31 22:03:33,768 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:33,768 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:33,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:33,872 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;@75e3f0f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:33,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-31 22:03:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-31 22:03:33,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:33,899 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 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] [2024-10-31 22:03:33,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:33,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:33,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1438933569, now seen corresponding path program 1 times [2024-10-31 22:03:33,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:33,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990893715] [2024-10-31 22:03:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:03:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:03:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:03:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:03:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:03:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:03:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:03:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:03:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:03:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:03:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-31 22:03:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-31 22:03:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:03:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:03:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:03:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-31 22:03:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:03:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:03:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:03:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:03:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:03:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:03:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-31 22:03:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-31 22:03:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:03:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-10-31 22:03:44,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:44,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990893715] [2024-10-31 22:03:44,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990893715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:44,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:44,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:03:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647227909] [2024-10-31 22:03:44,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:44,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:03:44,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:44,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:03:44,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:03:44,339 INFO L87 Difference]: Start difference. First operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-31 22:03:48,459 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 [] [2024-10-31 22:03:52,872 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 []