./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/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_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/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_db1358c9-1e71-4d43-8e8e-f25f1d877753/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 d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:10,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:10,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:14:11,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:11,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:11,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:11,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:11,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:11,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:11,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:11,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:11,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:11,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:11,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:11,048 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:11,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:11,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:11,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:11,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:11,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:11,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:11,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:11,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:11,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:11,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:11,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:11,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:11,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:11,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:11,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:11,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:11,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:11,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:11,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:11,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:11,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:11,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:11,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:11,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:11,065 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_db1358c9-1e71-4d43-8e8e-f25f1d877753/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2024-10-31 22:14:11,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:11,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:11,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:11,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:11,381 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:11,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i Unable to find full path for "g++" [2024-10-31 22:14:13,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:13,969 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:13,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-10-31 22:14:14,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/data/c41a1a3df/697978f32aca43bfa849871f16c623b9/FLAGd557bd7cc [2024-10-31 22:14:14,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/data/c41a1a3df/697978f32aca43bfa849871f16c623b9 [2024-10-31 22:14:14,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:14,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:14,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:14,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:14,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:14,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:14" (1/1) ... [2024-10-31 22:14:14,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f38ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:14, skipping insertion in model container [2024-10-31 22:14:14,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:14" (1/1) ... [2024-10-31 22:14:14,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:14,579 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_db1358c9-1e71-4d43-8e8e-f25f1d877753/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-10-31 22:14:14,587 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_db1358c9-1e71-4d43-8e8e-f25f1d877753/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-10-31 22:14:15,624 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,624 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,625 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,626 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,627 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,644 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,644 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,646 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:15,647 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,284 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:16,405 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:16,426 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_db1358c9-1e71-4d43-8e8e-f25f1d877753/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-10-31 22:14:16,429 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_db1358c9-1e71-4d43-8e8e-f25f1d877753/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-10-31 22:14:16,521 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,521 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,522 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,522 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,523 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,531 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,532 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,533 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,533 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,619 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,624 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:16,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-10-31 22:14:16,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:16,971 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:16,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16 WrapperNode [2024-10-31 22:14:16,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:16,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:16,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:16,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:16,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,138 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-10-31 22:14:17,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:17,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:17,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:17,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:17,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,281 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-10-31 22:14:17,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:17,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:17,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:17,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:17,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (1/1) ... [2024-10-31 22:14:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:17,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:17,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:17,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db1358c9-1e71-4d43-8e8e-f25f1d877753/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-31 22:14:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-31 22:14:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:14:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:14:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:14:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:14:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:14:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:14:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:14:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:14:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:14:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:14:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:14:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:14:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:14:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:14:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:14:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:14:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:14:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:14:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:14:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:14:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:14:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:14:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:14:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:14:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:14:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:14:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:14:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:14:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:14:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-31 22:14:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-31 22:14:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:14:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:14:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:14:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:14:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:14:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:14:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:14:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:14:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:14:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:14:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:14:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:14:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:14:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 22:14:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 22:14:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 22:14:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 22:14:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:14:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:14:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:14:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:14:17,861 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:17,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:24,564 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:24,564 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:24,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:24,589 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:14:24,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:24 BoogieIcfgContainer [2024-10-31 22:14:24,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:24,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:24,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:24,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:24,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:14" (1/3) ... [2024-10-31 22:14:24,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456eb97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:24, skipping insertion in model container [2024-10-31 22:14:24,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:16" (2/3) ... [2024-10-31 22:14:24,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456eb97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:24, skipping insertion in model container [2024-10-31 22:14:24,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:24" (3/3) ... [2024-10-31 22:14:24,603 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2024-10-31 22:14:24,626 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:24,626 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:24,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:24,734 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;@3f04105b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:24,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-31 22:14:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-31 22:14:24,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:24,763 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1] [2024-10-31 22:14:24,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:24,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-10-31 22:14:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971134639] [2024-10-31 22:14:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:14:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:14:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:14:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:14:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:14:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:14:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:14:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:14:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:14:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:14:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-31 22:14:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-31 22:14:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 22:14:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-31 22:14:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:14:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:14:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:14:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:14:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:14:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:14:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-31 22:14:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:14:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-31 22:14:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:14:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-31 22:14:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-31 22:14:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-10-31 22:14:34,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:34,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971134639] [2024-10-31 22:14:34,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971134639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:34,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:34,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:14:34,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832614804] [2024-10-31 22:14:34,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:34,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:14:34,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:14:34,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:14:34,334 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-31 22:14:38,450 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 22:14:42,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:14:47,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []