./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB --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 32bit --witnessprinter.graph.data.programhash 9d9e482375fcd558b315d6d7125c6d1058f6054bc52b6693ff996c0cb6bda49c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:24:16,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:24:16,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:24:16,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:24:16,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:24:16,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:24:16,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:24:16,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:24:16,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:24:16,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:24:16,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:24:16,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:24:16,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:24:16,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:24:16,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:24:16,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:24:16,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:24:16,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:24:16,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:24:16,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:24:16,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:24:16,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:24:16,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:24:16,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:24:16,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:24:16,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:24:16,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:24:16,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:24:16,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:24:16,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:16,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:16,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:16,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:16,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:24:16,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:16,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:16,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:16,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:16,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:24:16,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:24:16,335 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:24:16,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:24:16,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:24:16,336 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d9e482375fcd558b315d6d7125c6d1058f6054bc52b6693ff996c0cb6bda49c [2024-11-27 23:24:16,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:24:16,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:24:16,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:24:16,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:24:16,781 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:24:16,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i [2024-11-27 23:24:19,997 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/data/b76374493/279c5d535ba546e3ad028efb4589728a/FLAG5e4e30338 [2024-11-27 23:24:20,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:24:20,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i [2024-11-27 23:24:20,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/data/b76374493/279c5d535ba546e3ad028efb4589728a/FLAG5e4e30338 [2024-11-27 23:24:20,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/data/b76374493/279c5d535ba546e3ad028efb4589728a [2024-11-27 23:24:20,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:24:20,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:24:20,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:20,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:24:20,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:24:20,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:20" (1/1) ... [2024-11-27 23:24:20,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab640ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:20, skipping insertion in model container [2024-11-27 23:24:20,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:20" (1/1) ... [2024-11-27 23:24:20,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:24:20,874 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_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i[916,929] [2024-11-27 23:24:21,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:21,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:24:21,176 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_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-56.i[916,929] [2024-11-27 23:24:21,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:21,343 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:24:21,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21 WrapperNode [2024-11-27 23:24:21,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:21,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:21,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:24:21,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:24:21,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,487 INFO L138 Inliner]: procedures = 26, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 953 [2024-11-27 23:24:21,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:21,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:24:21,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:24:21,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:24:21,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,572 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:24:21,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:24:21,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:24:21,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:24:21,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:24:21,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:21,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:21,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:21,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b152cd6b-cd32-42c6-b950-e3773ba9a4bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:24:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:24:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:24:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:24:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:24:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:24:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:24:22,005 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:24:22,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:24:24,326 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-27 23:24:24,327 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:24:24,353 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:24:24,354 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:24:24,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:24 BoogieIcfgContainer [2024-11-27 23:24:24,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:24:24,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:24:24,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:24:24,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:24:24,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:24:20" (1/3) ... [2024-11-27 23:24:24,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f960472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:24, skipping insertion in model container [2024-11-27 23:24:24,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21" (2/3) ... [2024-11-27 23:24:24,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f960472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:24, skipping insertion in model container [2024-11-27 23:24:24,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:24" (3/3) ... [2024-11-27 23:24:24,378 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-56.i [2024-11-27 23:24:24,401 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:24:24,405 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-56.i that has 2 procedures, 392 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:24:24,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:24:24,559 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;@27cf35f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:24:24,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:24:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 260 states have (on average 1.5769230769230769) internal successors, (410), 261 states have internal predecessors, (410), 129 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-27 23:24:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2024-11-27 23:24:24,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:24,657 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:24,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:24,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1049386461, now seen corresponding path program 1 times [2024-11-27 23:24:24,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:24,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029574306] [2024-11-27 23:24:24,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:26,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:26,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029574306] [2024-11-27 23:24:26,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029574306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:26,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:26,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200363888] [2024-11-27 23:24:26,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:26,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:26,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:26,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:26,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:26,957 INFO L87 Difference]: Start difference. First operand has 392 states, 260 states have (on average 1.5769230769230769) internal successors, (410), 261 states have internal predecessors, (410), 129 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:27,280 INFO L93 Difference]: Finished difference Result 1008 states and 1902 transitions. [2024-11-27 23:24:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:27,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 809 [2024-11-27 23:24:27,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:27,317 INFO L225 Difference]: With dead ends: 1008 [2024-11-27 23:24:27,318 INFO L226 Difference]: Without dead ends: 619 [2024-11-27 23:24:27,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:27,338 INFO L435 NwaCegarLoop]: 748 mSDtfsCounter, 392 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:27,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1383 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-27 23:24:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 616. [2024-11-27 23:24:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 446 states have (on average 1.609865470852018) internal successors, (718), 447 states have internal predecessors, (718), 167 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (167), 166 states have call predecessors, (167), 167 states have call successors, (167) [2024-11-27 23:24:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1052 transitions. [2024-11-27 23:24:27,612 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1052 transitions. Word has length 809 [2024-11-27 23:24:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:27,617 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 1052 transitions. [2024-11-27 23:24:27,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1052 transitions. [2024-11-27 23:24:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:27,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:27,651 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:27,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:24:27,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:27,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1873683629, now seen corresponding path program 1 times [2024-11-27 23:24:27,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:27,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485387460] [2024-11-27 23:24:27,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:27,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:29,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485387460] [2024-11-27 23:24:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485387460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:29,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:29,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:29,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784668754] [2024-11-27 23:24:29,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:29,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:29,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:29,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:29,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:29,465 INFO L87 Difference]: Start difference. First operand 616 states and 1052 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) [2024-11-27 23:24:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:30,625 INFO L93 Difference]: Finished difference Result 1842 states and 3150 transitions. [2024-11-27 23:24:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:30,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) Word has length 810 [2024-11-27 23:24:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:30,689 INFO L225 Difference]: With dead ends: 1842 [2024-11-27 23:24:30,689 INFO L226 Difference]: Without dead ends: 1229 [2024-11-27 23:24:30,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:30,695 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 699 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:30,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 1918 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:24:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-27 23:24:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1227. [2024-11-27 23:24:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 888 states have (on average 1.6103603603603605) internal successors, (1430), 890 states have internal predecessors, (1430), 334 states have call successors, (334), 4 states have call predecessors, (334), 4 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) [2024-11-27 23:24:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2098 transitions. [2024-11-27 23:24:31,032 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2098 transitions. Word has length 810 [2024-11-27 23:24:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:31,036 INFO L471 AbstractCegarLoop]: Abstraction has 1227 states and 2098 transitions. [2024-11-27 23:24:31,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) [2024-11-27 23:24:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2098 transitions. [2024-11-27 23:24:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:31,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:31,072 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:31,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:24:31,073 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash 187503791, now seen corresponding path program 1 times [2024-11-27 23:24:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69166892] [2024-11-27 23:24:31,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:31,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:31,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69166892] [2024-11-27 23:24:31,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69166892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:31,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:31,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:31,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961500051] [2024-11-27 23:24:31,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:31,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:31,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:31,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:31,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:31,865 INFO L87 Difference]: Start difference. First operand 1227 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:32,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:32,151 INFO L93 Difference]: Finished difference Result 3351 states and 5732 transitions. [2024-11-27 23:24:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:32,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:32,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:32,174 INFO L225 Difference]: With dead ends: 3351 [2024-11-27 23:24:32,175 INFO L226 Difference]: Without dead ends: 2127 [2024-11-27 23:24:32,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:32,182 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 399 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:32,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1308 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:32,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2024-11-27 23:24:32,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2123. [2024-11-27 23:24:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1588 states have (on average 1.6171284634760705) internal successors, (2568), 1594 states have internal predecessors, (2568), 526 states have call successors, (526), 8 states have call predecessors, (526), 8 states have return successors, (526), 520 states have call predecessors, (526), 526 states have call successors, (526) [2024-11-27 23:24:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3620 transitions. [2024-11-27 23:24:32,557 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3620 transitions. Word has length 810 [2024-11-27 23:24:32,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:32,559 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3620 transitions. [2024-11-27 23:24:32,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3620 transitions. [2024-11-27 23:24:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:32,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:32,572 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:32,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:24:32,573 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:32,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash 631404465, now seen corresponding path program 1 times [2024-11-27 23:24:32,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:32,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508954936] [2024-11-27 23:24:32,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:33,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:33,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508954936] [2024-11-27 23:24:33,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508954936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:33,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:33,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:33,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614582732] [2024-11-27 23:24:33,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:33,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:33,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:33,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:33,134 INFO L87 Difference]: Start difference. First operand 2123 states and 3620 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:33,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:33,471 INFO L93 Difference]: Finished difference Result 5305 states and 8944 transitions. [2024-11-27 23:24:33,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:33,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:33,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:33,500 INFO L225 Difference]: With dead ends: 5305 [2024-11-27 23:24:33,501 INFO L226 Difference]: Without dead ends: 3185 [2024-11-27 23:24:33,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:33,511 INFO L435 NwaCegarLoop]: 659 mSDtfsCounter, 340 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:33,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1307 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:33,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2024-11-27 23:24:34,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3181. [2024-11-27 23:24:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3181 states, 2148 states have (on average 1.5288640595903167) internal successors, (3284), 2162 states have internal predecessors, (3284), 1016 states have call successors, (1016), 16 states have call predecessors, (1016), 16 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2024-11-27 23:24:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 3181 states and 5316 transitions. [2024-11-27 23:24:34,134 INFO L78 Accepts]: Start accepts. Automaton has 3181 states and 5316 transitions. Word has length 810 [2024-11-27 23:24:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:34,136 INFO L471 AbstractCegarLoop]: Abstraction has 3181 states and 5316 transitions. [2024-11-27 23:24:34,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 5316 transitions. [2024-11-27 23:24:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:34,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:34,150 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:34,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:24:34,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash 850259183, now seen corresponding path program 1 times [2024-11-27 23:24:34,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:34,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173464760] [2024-11-27 23:24:34,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:34,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173464760] [2024-11-27 23:24:34,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173464760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:34,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393248126] [2024-11-27 23:24:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:34,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:34,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:34,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:34,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:34,772 INFO L87 Difference]: Start difference. First operand 3181 states and 5316 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:35,415 INFO L93 Difference]: Finished difference Result 8605 states and 14254 transitions. [2024-11-27 23:24:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:35,476 INFO L225 Difference]: With dead ends: 8605 [2024-11-27 23:24:35,476 INFO L226 Difference]: Without dead ends: 5427 [2024-11-27 23:24:35,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:35,496 INFO L435 NwaCegarLoop]: 970 mSDtfsCounter, 375 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:35,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1621 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2024-11-27 23:24:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 5423. [2024-11-27 23:24:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5423 states, 3374 states have (on average 1.4445761707172495) internal successors, (4874), 3404 states have internal predecessors, (4874), 2016 states have call successors, (2016), 32 states have call predecessors, (2016), 32 states have return successors, (2016), 1986 states have call predecessors, (2016), 2016 states have call successors, (2016) [2024-11-27 23:24:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 8906 transitions. [2024-11-27 23:24:36,973 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 8906 transitions. Word has length 810 [2024-11-27 23:24:36,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:36,976 INFO L471 AbstractCegarLoop]: Abstraction has 5423 states and 8906 transitions. [2024-11-27 23:24:36,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 8906 transitions. [2024-11-27 23:24:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:37,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:37,001 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:37,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:24:37,002 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:37,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:37,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1272961009, now seen corresponding path program 1 times [2024-11-27 23:24:37,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:37,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745420983] [2024-11-27 23:24:37,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:37,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:37,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745420983] [2024-11-27 23:24:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745420983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:37,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:37,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:37,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234807512] [2024-11-27 23:24:37,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:37,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:37,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:37,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:37,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:37,965 INFO L87 Difference]: Start difference. First operand 5423 states and 8906 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:39,132 INFO L93 Difference]: Finished difference Result 14009 states and 22906 transitions. [2024-11-27 23:24:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:39,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:39,239 INFO L225 Difference]: With dead ends: 14009 [2024-11-27 23:24:39,240 INFO L226 Difference]: Without dead ends: 8589 [2024-11-27 23:24:39,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:39,268 INFO L435 NwaCegarLoop]: 729 mSDtfsCounter, 245 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:39,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 2021 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:24:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8589 states. [2024-11-27 23:24:40,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8589 to 8555. [2024-11-27 23:24:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8555 states, 5642 states have (on average 1.4650833037929811) internal successors, (8266), 5704 states have internal predecessors, (8266), 2848 states have call successors, (2848), 64 states have call predecessors, (2848), 64 states have return successors, (2848), 2786 states have call predecessors, (2848), 2848 states have call successors, (2848) [2024-11-27 23:24:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8555 states to 8555 states and 13962 transitions. [2024-11-27 23:24:40,620 INFO L78 Accepts]: Start accepts. Automaton has 8555 states and 13962 transitions. Word has length 810 [2024-11-27 23:24:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:40,622 INFO L471 AbstractCegarLoop]: Abstraction has 8555 states and 13962 transitions. [2024-11-27 23:24:40,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8555 states and 13962 transitions. [2024-11-27 23:24:40,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:40,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:40,652 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:40,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:24:40,652 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:40,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:40,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1573275407, now seen corresponding path program 1 times [2024-11-27 23:24:40,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917853203] [2024-11-27 23:24:40,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:40,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:42,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:42,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917853203] [2024-11-27 23:24:42,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917853203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:42,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:42,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:42,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795617889] [2024-11-27 23:24:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:42,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:42,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:42,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:42,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:42,576 INFO L87 Difference]: Start difference. First operand 8555 states and 13962 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:44,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:44,708 INFO L93 Difference]: Finished difference Result 21400 states and 34935 transitions. [2024-11-27 23:24:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:44,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:44,822 INFO L225 Difference]: With dead ends: 21400 [2024-11-27 23:24:44,822 INFO L226 Difference]: Without dead ends: 12848 [2024-11-27 23:24:44,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:44,860 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 404 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:44,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1700 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:24:44,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12848 states. [2024-11-27 23:24:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12848 to 12846. [2024-11-27 23:24:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12846 states, 8477 states have (on average 1.464551138374425) internal successors, (12415), 8570 states have internal predecessors, (12415), 4272 states have call successors, (4272), 96 states have call predecessors, (4272), 96 states have return successors, (4272), 4179 states have call predecessors, (4272), 4272 states have call successors, (4272) [2024-11-27 23:24:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12846 states to 12846 states and 20959 transitions. [2024-11-27 23:24:46,736 INFO L78 Accepts]: Start accepts. Automaton has 12846 states and 20959 transitions. Word has length 810 [2024-11-27 23:24:46,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:46,738 INFO L471 AbstractCegarLoop]: Abstraction has 12846 states and 20959 transitions. [2024-11-27 23:24:46,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 12846 states and 20959 transitions. [2024-11-27 23:24:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-27 23:24:46,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:46,763 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:46,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:24:46,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:46,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash -913743885, now seen corresponding path program 1 times [2024-11-27 23:24:46,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:46,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288606007] [2024-11-27 23:24:46,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:48,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:48,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288606007] [2024-11-27 23:24:48,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288606007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:48,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:48,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:48,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969577537] [2024-11-27 23:24:48,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:48,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:48,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:48,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:48,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:48,164 INFO L87 Difference]: Start difference. First operand 12846 states and 20959 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:49,090 INFO L93 Difference]: Finished difference Result 25698 states and 41933 transitions. [2024-11-27 23:24:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:49,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 810 [2024-11-27 23:24:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:49,198 INFO L225 Difference]: With dead ends: 25698 [2024-11-27 23:24:49,199 INFO L226 Difference]: Without dead ends: 12855 [2024-11-27 23:24:49,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:49,432 INFO L435 NwaCegarLoop]: 659 mSDtfsCounter, 0 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:49,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1312 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12855 states. [2024-11-27 23:24:51,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12855 to 12855. [2024-11-27 23:24:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 8486 states have (on average 1.4640584492104642) internal successors, (12424), 8579 states have internal predecessors, (12424), 4272 states have call successors, (4272), 96 states have call predecessors, (4272), 96 states have return successors, (4272), 4179 states have call predecessors, (4272), 4272 states have call successors, (4272) [2024-11-27 23:24:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20968 transitions. [2024-11-27 23:24:51,692 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20968 transitions. Word has length 810 [2024-11-27 23:24:51,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:51,694 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20968 transitions. [2024-11-27 23:24:51,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20968 transitions. [2024-11-27 23:24:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-27 23:24:51,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:51,715 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:51,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:24:51,716 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:51,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1681961698, now seen corresponding path program 1 times [2024-11-27 23:24:51,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:51,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935302063] [2024-11-27 23:24:51,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:24:54,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:54,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935302063] [2024-11-27 23:24:54,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935302063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:54,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:54,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:54,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065821138] [2024-11-27 23:24:54,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:54,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:54,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:54,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:54,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:54,869 INFO L87 Difference]: Start difference. First operand 12855 states and 20968 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:56,280 INFO L93 Difference]: Finished difference Result 29359 states and 47119 transitions. [2024-11-27 23:24:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:24:56,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 811 [2024-11-27 23:24:56,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:56,387 INFO L225 Difference]: With dead ends: 29359 [2024-11-27 23:24:56,388 INFO L226 Difference]: Without dead ends: 16507 [2024-11-27 23:24:56,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:56,442 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 71 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:56,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1989 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16507 states. [2024-11-27 23:24:58,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16507 to 15447. [2024-11-27 23:24:58,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15447 states, 10598 states have (on average 1.4440460464238536) internal successors, (15304), 10787 states have internal predecessors, (15304), 4656 states have call successors, (4656), 192 states have call predecessors, (4656), 192 states have return successors, (4656), 4467 states have call predecessors, (4656), 4656 states have call successors, (4656) [2024-11-27 23:24:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15447 states to 15447 states and 24616 transitions. [2024-11-27 23:24:58,832 INFO L78 Accepts]: Start accepts. Automaton has 15447 states and 24616 transitions. Word has length 811 [2024-11-27 23:24:58,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:58,834 INFO L471 AbstractCegarLoop]: Abstraction has 15447 states and 24616 transitions. [2024-11-27 23:24:58,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:24:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15447 states and 24616 transitions. [2024-11-27 23:24:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-27 23:24:58,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:58,872 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:58,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:24:58,872 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:58,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:58,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1803658972, now seen corresponding path program 1 times [2024-11-27 23:24:58,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:58,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926264312] [2024-11-27 23:24:58,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:58,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 33024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-11-27 23:31:45,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:45,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926264312] [2024-11-27 23:31:45,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926264312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:45,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:45,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:31:45,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77013097] [2024-11-27 23:31:45,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:45,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:31:45,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:45,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:31:45,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:31:45,440 INFO L87 Difference]: Start difference. First operand 15447 states and 24616 transitions. Second operand has 13 states, 13 states have (on average 13.0) internal successors, (169), 13 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:32:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:02,894 INFO L93 Difference]: Finished difference Result 56997 states and 87765 transitions. [2024-11-27 23:32:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:32:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.0) internal successors, (169), 13 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) Word has length 811 [2024-11-27 23:32:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:03,351 INFO L225 Difference]: With dead ends: 56997 [2024-11-27 23:32:03,351 INFO L226 Difference]: Without dead ends: 41553 [2024-11-27 23:32:03,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:32:03,462 INFO L435 NwaCegarLoop]: 1278 mSDtfsCounter, 831 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 6866 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:03,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 6866 Invalid, 1136 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:32:03,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41553 states. [2024-11-27 23:32:11,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41553 to 30985. [2024-11-27 23:32:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30985 states, 21192 states have (on average 1.4260098150245375) internal successors, (30220), 21570 states have internal predecessors, (30220), 9312 states have call successors, (9312), 480 states have call predecessors, (9312), 480 states have return successors, (9312), 8934 states have call predecessors, (9312), 9312 states have call successors, (9312) [2024-11-27 23:32:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30985 states to 30985 states and 48844 transitions. [2024-11-27 23:32:12,112 INFO L78 Accepts]: Start accepts. Automaton has 30985 states and 48844 transitions. Word has length 811 [2024-11-27 23:32:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:12,114 INFO L471 AbstractCegarLoop]: Abstraction has 30985 states and 48844 transitions. [2024-11-27 23:32:12,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.0) internal successors, (169), 13 states have internal predecessors, (169), 1 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 1 states have call predecessors, (129), 1 states have call successors, (129) [2024-11-27 23:32:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 30985 states and 48844 transitions. [2024-11-27 23:32:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-27 23:32:12,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:12,358 INFO L218 NwaCegarLoop]: trace histogram [129, 129, 129, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:12,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:32:12,359 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:12,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:12,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1811249954, now seen corresponding path program 1 times [2024-11-27 23:32:12,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:12,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857513935] [2024-11-27 23:32:12,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat