./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:50:39,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:50:39,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:50:39,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:50:39,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:50:39,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:50:39,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:50:39,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:50:39,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:50:39,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:50:39,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:50:39,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:50:39,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:50:39,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:50:39,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:50:39,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:50:39,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:50:39,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:50:39,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:50:39,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:50:39,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:50:39,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:50:39,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:50:39,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:50:39,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:50:39,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:50:39,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:50:39,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:50:39,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:50:39,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:50:39,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:50:39,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:50:39,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:50:39,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:50:39,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:50:39,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:50:39,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:50:39,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:50:39,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:50:39,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:50:39,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:50:39,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 21:50:39,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:50:39,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:50:39,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:50:39,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:50:39,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:50:39,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:50:39,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:50:39,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:50:39,295 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:50:39,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:50:39,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:50:39,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:50:39,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:50:39,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:50:39,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:50:39,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:50:39,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:50:39,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:50:39,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:50:39,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2021-12-06 21:50:39,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:50:39,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:50:39,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:50:39,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:50:39,501 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:50:39,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-12-06 21:50:39,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/data/e05ae5c78/18a447835e70483f8a549a2971b1f587/FLAG23027336e [2021-12-06 21:50:40,182 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:50:40,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-12-06 21:50:40,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/data/e05ae5c78/18a447835e70483f8a549a2971b1f587/FLAG23027336e [2021-12-06 21:50:40,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/data/e05ae5c78/18a447835e70483f8a549a2971b1f587 [2021-12-06 21:50:40,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:50:40,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:50:40,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:50:40,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:50:40,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:50:40,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:50:40" (1/1) ... [2021-12-06 21:50:40,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24156014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:40, skipping insertion in model container [2021-12-06 21:50:40,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:50:40" (1/1) ... [2021-12-06 21:50:40,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:50:40,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:50:43,442 WARN L230 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_3b2b277b-9481-4986-9f5b-e8d2dcddae83/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-12-06 21:50:43,444 WARN L230 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_3b2b277b-9481-4986-9f5b-e8d2dcddae83/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-12-06 21:50:43,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:50:43,472 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:50:43,816 WARN L230 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_3b2b277b-9481-4986-9f5b-e8d2dcddae83/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-12-06 21:50:43,816 WARN L230 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_3b2b277b-9481-4986-9f5b-e8d2dcddae83/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-12-06 21:50:43,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:50:43,994 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:50:43,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43 WrapperNode [2021-12-06 21:50:43,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:50:43,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:50:43,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:50:43,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:50:44,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,188 INFO L137 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2021-12-06 21:50:44,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:50:44,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:50:44,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:50:44,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:50:44,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:50:44,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:50:44,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:50:44,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:50:44,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (1/1) ... [2021-12-06 21:50:44,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:50:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:44,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:50:44,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2b277b-9481-4986-9f5b-e8d2dcddae83/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:50:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2021-12-06 21:50:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2021-12-06 21:50:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 21:50:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2021-12-06 21:50:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2021-12-06 21:50:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2021-12-06 21:50:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2021-12-06 21:50:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 21:50:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 21:50:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 21:50:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 21:50:44,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 21:50:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2021-12-06 21:50:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-06 21:50:44,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2021-12-06 21:50:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 21:50:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2021-12-06 21:50:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 21:50:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2021-12-06 21:50:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2021-12-06 21:50:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2021-12-06 21:50:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 21:50:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2021-12-06 21:50:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2021-12-06 21:50:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 21:50:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2021-12-06 21:50:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2021-12-06 21:50:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2021-12-06 21:50:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 21:50:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2021-12-06 21:50:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 21:50:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 21:50:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2021-12-06 21:50:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2021-12-06 21:50:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 21:50:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2021-12-06 21:50:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2021-12-06 21:50:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:50:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2021-12-06 21:50:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2021-12-06 21:50:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2021-12-06 21:50:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 21:50:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2021-12-06 21:50:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:50:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 21:50:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 21:50:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 21:50:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2021-12-06 21:50:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2021-12-06 21:50:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2021-12-06 21:50:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2021-12-06 21:50:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2021-12-06 21:50:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 21:50:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2021-12-06 21:50:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2021-12-06 21:50:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2021-12-06 21:50:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 21:50:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 21:50:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 21:50:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 21:50:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2021-12-06 21:50:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-06 21:50:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2021-12-06 21:50:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 21:50:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2021-12-06 21:50:44,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2021-12-06 21:50:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 21:50:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 21:50:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2021-12-06 21:50:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2021-12-06 21:50:45,043 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:50:45,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:50:45,434 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 21:50:47,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 21:50:47,293 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:50:47,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:50:47,313 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:50:47,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:50:47 BoogieIcfgContainer [2021-12-06 21:50:47,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:50:47,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:50:47,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:50:47,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:50:47,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:50:40" (1/3) ... [2021-12-06 21:50:47,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f65540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:50:47, skipping insertion in model container [2021-12-06 21:50:47,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:43" (2/3) ... [2021-12-06 21:50:47,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f65540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:50:47, skipping insertion in model container [2021-12-06 21:50:47,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:50:47" (3/3) ... [2021-12-06 21:50:47,323 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-12-06 21:50:47,327 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:50:47,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:50:47,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:50:47,373 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:50:47,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:50:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) [2021-12-06 21:50:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-12-06 21:50:47,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:47,457 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:47,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:47,462 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2021-12-06 21:50:47,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:47,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973739663] [2021-12-06 21:50:47,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:47,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:50:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:50:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:50:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:50:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:50:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:50:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:50:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:50:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:50:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:50:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:50:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:50:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:50:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:50:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:50:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:50:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:50:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:50:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:50:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:50:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:50:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:50:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:50:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:50:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:50:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:50:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:50:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:50:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:50:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:50:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:50:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:50:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:50:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:50:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:50:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 21:50:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-12-06 21:50:48,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:48,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973739663] [2021-12-06 21:50:48,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973739663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:48,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:48,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:50:48,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362602577] [2021-12-06 21:50:48,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:48,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:50:48,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:50:48,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:50:48,740 INFO L87 Difference]: Start difference. First operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 21:50:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:52,149 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2021-12-06 21:50:52,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:50:52,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2021-12-06 21:50:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:52,211 INFO L225 Difference]: With dead ends: 6634 [2021-12-06 21:50:52,211 INFO L226 Difference]: Without dead ends: 4466 [2021-12-06 21:50:52,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:50:52,238 INFO L933 BasicCegarLoop]: 3283 mSDtfsCounter, 3945 mSDsluCounter, 3537 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 1901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 6820 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1901 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:52,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4397 Valid, 6820 Invalid, 4054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1901 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-06 21:50:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2021-12-06 21:50:52,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2021-12-06 21:50:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2741 states have (on average 1.2885808099233855) internal successors, (3532), 2837 states have internal predecessors, (3532), 1092 states have call successors, (1092), 244 states have call predecessors, (1092), 244 states have return successors, (1092), 1044 states have call predecessors, (1092), 1092 states have call successors, (1092) [2021-12-06 21:50:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2021-12-06 21:50:52,513 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2021-12-06 21:50:52,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:52,515 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2021-12-06 21:50:52,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 21:50:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2021-12-06 21:50:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-12-06 21:50:52,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:52,524 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:52,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:50:52,524 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2021-12-06 21:50:52,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:52,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407844231] [2021-12-06 21:50:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:52,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:50:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:50:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:50:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:50:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:50:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:50:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:50:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:50:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:50:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:50:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:50:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:50:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:50:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:50:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:50:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:50:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:50:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:50:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:50:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:50:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:50:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:50:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:50:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:50:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:50:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:50:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:50:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:50:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:50:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:50:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:50:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:50:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:50:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:50:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:50:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-06 21:50:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-12-06 21:50:53,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:53,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407844231] [2021-12-06 21:50:53,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407844231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:53,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:53,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:50:53,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695360618] [2021-12-06 21:50:53,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:53,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:50:53,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:50:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:53,191 INFO L87 Difference]: Start difference. First operand 4078 states and 5716 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 21:50:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:59,790 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2021-12-06 21:50:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:50:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 409 [2021-12-06 21:50:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:59,870 INFO L225 Difference]: With dead ends: 14791 [2021-12-06 21:50:59,870 INFO L226 Difference]: Without dead ends: 10786 [2021-12-06 21:50:59,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:50:59,888 INFO L933 BasicCegarLoop]: 4787 mSDtfsCounter, 7441 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 7546 mSolverCounterSat, 3596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8211 SdHoareTripleChecker+Valid, 11944 SdHoareTripleChecker+Invalid, 11142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 7546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:59,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8211 Valid, 11944 Invalid, 11142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3596 Valid, 7546 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-06 21:50:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2021-12-06 21:51:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2021-12-06 21:51:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9832 states, 6567 states have (on average 1.2852139485305314) internal successors, (8440), 6825 states have internal predecessors, (8440), 2612 states have call successors, (2612), 652 states have call predecessors, (2612), 652 states have return successors, (2612), 2466 states have call predecessors, (2612), 2612 states have call successors, (2612) [2021-12-06 21:51:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2021-12-06 21:51:00,329 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2021-12-06 21:51:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:00,330 INFO L470 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2021-12-06 21:51:00,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 21:51:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2021-12-06 21:51:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-06 21:51:00,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:00,340 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:00,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:51:00,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:00,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2021-12-06 21:51:00,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:00,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338988773] [2021-12-06 21:51:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:00,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-06 21:51:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-06 21:51:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-06 21:51:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2021-12-06 21:51:00,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:00,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338988773] [2021-12-06 21:51:00,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338988773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:00,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:00,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:51:00,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475530758] [2021-12-06 21:51:00,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:00,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:51:00,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:00,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:51:00,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:51:00,871 INFO L87 Difference]: Start difference. First operand 9832 states and 13664 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 21:51:03,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:03,063 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2021-12-06 21:51:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:51:03,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 431 [2021-12-06 21:51:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:03,125 INFO L225 Difference]: With dead ends: 21521 [2021-12-06 21:51:03,126 INFO L226 Difference]: Without dead ends: 11762 [2021-12-06 21:51:03,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:51:03,154 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 2223 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6451 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:03,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2462 Valid, 6451 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-06 21:51:03,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2021-12-06 21:51:03,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2021-12-06 21:51:03,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10749 states, 7164 states have (on average 1.281965382467895) internal successors, (9184), 7452 states have internal predecessors, (9184), 2842 states have call successors, (2842), 742 states have call predecessors, (2842), 742 states have return successors, (2842), 2674 states have call predecessors, (2842), 2842 states have call successors, (2842) [2021-12-06 21:51:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2021-12-06 21:51:03,551 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2021-12-06 21:51:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:03,552 INFO L470 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2021-12-06 21:51:03,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 21:51:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2021-12-06 21:51:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-06 21:51:03,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:03,559 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:03,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:51:03,560 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:03,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2021-12-06 21:51:03,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:03,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264229951] [2021-12-06 21:51:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:03,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-06 21:51:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-06 21:51:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 21:51:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:51:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-06 21:51:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-12-06 21:51:04,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:04,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264229951] [2021-12-06 21:51:04,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264229951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:04,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:04,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 21:51:04,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741958848] [2021-12-06 21:51:04,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:04,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 21:51:04,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:04,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 21:51:04,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:51:04,161 INFO L87 Difference]: Start difference. First operand 10749 states and 14868 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-06 21:51:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:10,846 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2021-12-06 21:51:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:51:10,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2021-12-06 21:51:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:10,954 INFO L225 Difference]: With dead ends: 43362 [2021-12-06 21:51:10,954 INFO L226 Difference]: Without dead ends: 32686 [2021-12-06 21:51:10,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-06 21:51:10,988 INFO L933 BasicCegarLoop]: 3557 mSDtfsCounter, 17073 mSDsluCounter, 6134 mSDsCounter, 0 mSdLazyCounter, 5475 mSolverCounterSat, 9243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17900 SdHoareTripleChecker+Valid, 9691 SdHoareTripleChecker+Invalid, 14718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9243 IncrementalHoareTripleChecker+Valid, 5475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:10,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17900 Valid, 9691 Invalid, 14718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9243 Valid, 5475 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-06 21:51:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2021-12-06 21:51:11,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2021-12-06 21:51:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29721 states, 19860 states have (on average 1.2837361530715006) internal successors, (25495), 20688 states have internal predecessors, (25495), 7790 states have call successors, (7790), 2070 states have call predecessors, (7790), 2070 states have return successors, (7790), 7306 states have call predecessors, (7790), 7790 states have call successors, (7790) [2021-12-06 21:51:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2021-12-06 21:51:12,020 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2021-12-06 21:51:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:12,021 INFO L470 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2021-12-06 21:51:12,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-06 21:51:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2021-12-06 21:51:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-06 21:51:12,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:12,028 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:12,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:51:12,028 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:12,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:12,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2021-12-06 21:51:12,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:12,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318819402] [2021-12-06 21:51:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:12,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 21:51:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-06 21:51:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 21:51:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-06 21:51:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-06 21:51:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-06 21:51:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-12-06 21:51:12,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:12,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318819402] [2021-12-06 21:51:12,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318819402] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:12,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:12,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:51:12,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076879333] [2021-12-06 21:51:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:12,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:51:12,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:12,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:51:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:51:12,688 INFO L87 Difference]: Start difference. First operand 29721 states and 41075 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:51:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:16,352 INFO L93 Difference]: Finished difference Result 93098 states and 129880 transitions. [2021-12-06 21:51:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:51:16,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 459 [2021-12-06 21:51:16,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:16,556 INFO L225 Difference]: With dead ends: 93098 [2021-12-06 21:51:16,556 INFO L226 Difference]: Without dead ends: 63450 [2021-12-06 21:51:16,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:51:16,623 INFO L933 BasicCegarLoop]: 3275 mSDtfsCounter, 3954 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 1777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 6805 SdHoareTripleChecker+Invalid, 3827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:16,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4395 Valid, 6805 Invalid, 3827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1777 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 21:51:16,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63450 states. [2021-12-06 21:51:18,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63450 to 57748. [2021-12-06 21:51:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57748 states, 38657 states have (on average 1.2826137568874978) internal successors, (49582), 40295 states have internal predecessors, (49582), 15028 states have call successors, (15028), 4062 states have call predecessors, (15028), 4062 states have return successors, (15028), 14070 states have call predecessors, (15028), 15028 states have call successors, (15028) [2021-12-06 21:51:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57748 states to 57748 states and 79638 transitions. [2021-12-06 21:51:18,646 INFO L78 Accepts]: Start accepts. Automaton has 57748 states and 79638 transitions. Word has length 459 [2021-12-06 21:51:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:18,647 INFO L470 AbstractCegarLoop]: Abstraction has 57748 states and 79638 transitions. [2021-12-06 21:51:18,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:51:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 57748 states and 79638 transitions. [2021-12-06 21:51:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-12-06 21:51:18,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:18,653 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:18,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:51:18,653 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998385, now seen corresponding path program 1 times [2021-12-06 21:51:18,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:18,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481197037] [2021-12-06 21:51:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:18,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 21:51:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 21:51:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 21:51:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-06 21:51:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-06 21:51:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 21:51:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 21:51:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2021-12-06 21:51:19,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:19,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481197037] [2021-12-06 21:51:19,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481197037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:19,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:19,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:51:19,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090081931] [2021-12-06 21:51:19,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:19,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:51:19,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:19,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:51:19,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:51:19,143 INFO L87 Difference]: Start difference. First operand 57748 states and 79638 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-06 21:51:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:24,172 INFO L93 Difference]: Finished difference Result 176556 states and 245986 transitions. [2021-12-06 21:51:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:51:24,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 465 [2021-12-06 21:51:24,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:24,657 INFO L225 Difference]: With dead ends: 176556 [2021-12-06 21:51:24,657 INFO L226 Difference]: Without dead ends: 118881 [2021-12-06 21:51:24,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:51:24,779 INFO L933 BasicCegarLoop]: 3623 mSDtfsCounter, 3738 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 2066 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4177 SdHoareTripleChecker+Valid, 7184 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 2066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:24,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4177 Valid, 7184 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 2066 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 21:51:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118881 states. [2021-12-06 21:51:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118881 to 108077. [2021-12-06 21:51:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108077 states, 72706 states have (on average 1.2817236541688444) internal successors, (93189), 75656 states have internal predecessors, (93189), 27821 states have call successors, (27821), 7549 states have call predecessors, (27821), 7549 states have return successors, (27821), 26155 states have call predecessors, (27821), 27821 states have call successors, (27821) [2021-12-06 21:51:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108077 states to 108077 states and 148831 transitions. [2021-12-06 21:51:28,701 INFO L78 Accepts]: Start accepts. Automaton has 108077 states and 148831 transitions. Word has length 465 [2021-12-06 21:51:28,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:28,701 INFO L470 AbstractCegarLoop]: Abstraction has 108077 states and 148831 transitions. [2021-12-06 21:51:28,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-06 21:51:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 108077 states and 148831 transitions. [2021-12-06 21:51:28,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-06 21:51:28,706 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:28,706 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:28,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:51:28,707 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:28,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:28,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1341911488, now seen corresponding path program 1 times [2021-12-06 21:51:28,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:28,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087094333] [2021-12-06 21:51:28,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:28,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:51:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:51:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:51:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 21:51:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 21:51:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-06 21:51:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2021-12-06 21:51:29,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:29,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087094333] [2021-12-06 21:51:29,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087094333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:29,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:29,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:51:29,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956532730] [2021-12-06 21:51:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:29,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:51:29,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:51:29,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:51:29,370 INFO L87 Difference]: Start difference. First operand 108077 states and 148831 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:51:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:37,070 INFO L93 Difference]: Finished difference Result 343099 states and 477871 transitions. [2021-12-06 21:51:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:51:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 470 [2021-12-06 21:51:37,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:38,039 INFO L225 Difference]: With dead ends: 343099 [2021-12-06 21:51:38,039 INFO L226 Difference]: Without dead ends: 235148 [2021-12-06 21:51:38,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:51:38,293 INFO L933 BasicCegarLoop]: 5503 mSDtfsCounter, 3192 mSDsluCounter, 4518 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 1237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1237 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:38,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3634 Valid, 10021 Invalid, 3388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1237 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 21:51:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235148 states. [2021-12-06 21:51:44,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235148 to 213566. [2021-12-06 21:51:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213566 states, 143724 states have (on average 1.2809899529654059) internal successors, (184109), 149372 states have internal predecessors, (184109), 54959 states have call successors, (54959), 14882 states have call predecessors, (54959), 14882 states have return successors, (54959), 51879 states have call predecessors, (54959), 54959 states have call successors, (54959) [2021-12-06 21:51:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213566 states to 213566 states and 294027 transitions. [2021-12-06 21:51:45,416 INFO L78 Accepts]: Start accepts. Automaton has 213566 states and 294027 transitions. Word has length 470 [2021-12-06 21:51:45,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:45,417 INFO L470 AbstractCegarLoop]: Abstraction has 213566 states and 294027 transitions. [2021-12-06 21:51:45,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:51:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 213566 states and 294027 transitions. [2021-12-06 21:51:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-06 21:51:45,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:45,423 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:45,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:51:45,423 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:51:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:45,423 INFO L85 PathProgramCache]: Analyzing trace with hash -465892482, now seen corresponding path program 1 times [2021-12-06 21:51:45,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:45,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812070368] [2021-12-06 21:51:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:45,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:51:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:51:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:51:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:51:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:51:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:51:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:51:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:51:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:51:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:51:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:51:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:51:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:51:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:51:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:51:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:51:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:51:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:51:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:51:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:51:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:51:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:51:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:51:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:51:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:51:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:51:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:51:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:51:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:51:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:51:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 21:51:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 21:51:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-06 21:51:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2021-12-06 21:51:46,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:51:46,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812070368] [2021-12-06 21:51:46,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812070368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:51:46,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:51:46,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:51:46,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466622248] [2021-12-06 21:51:46,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:51:46,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:51:46,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:51:46,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:51:46,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:51:46,062 INFO L87 Difference]: Start difference. First operand 213566 states and 294027 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:51:57,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:57,114 INFO L93 Difference]: Finished difference Result 564935 states and 785724 transitions. [2021-12-06 21:51:57,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:51:57,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 470 [2021-12-06 21:51:57,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:58,663 INFO L225 Difference]: With dead ends: 564935 [2021-12-06 21:51:58,663 INFO L226 Difference]: Without dead ends: 350800 [2021-12-06 21:51:59,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:51:59,172 INFO L933 BasicCegarLoop]: 5408 mSDtfsCounter, 3223 mSDsluCounter, 4494 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 9902 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:59,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 9902 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 21:51:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350800 states. [2021-12-06 21:52:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350800 to 318428. [2021-12-06 21:52:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318428 states, 214118 states have (on average 1.2811767343240643) internal successors, (274323), 222464 states have internal predecessors, (274323), 82096 states have call successors, (82096), 22213 states have call predecessors, (82096), 22213 states have return successors, (82096), 77602 states have call predecessors, (82096), 82096 states have call successors, (82096) [2021-12-06 21:52:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318428 states to 318428 states and 438515 transitions. [2021-12-06 21:52:10,507 INFO L78 Accepts]: Start accepts. Automaton has 318428 states and 438515 transitions. Word has length 470 [2021-12-06 21:52:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:52:10,508 INFO L470 AbstractCegarLoop]: Abstraction has 318428 states and 438515 transitions. [2021-12-06 21:52:10,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 21:52:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 318428 states and 438515 transitions. [2021-12-06 21:52:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-06 21:52:10,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:52:10,515 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:52:10,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:52:10,515 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:52:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:52:10,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1588138570, now seen corresponding path program 1 times [2021-12-06 21:52:10,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:52:10,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718872426] [2021-12-06 21:52:10,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:52:10,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:52:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:52:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:52:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:52:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:52:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:52:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:52:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:52:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:52:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:52:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:52:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:52:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:52:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:52:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:52:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:52:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:52:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:52:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:52:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:52:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:52:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:52:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:52:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:52:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:52:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:52:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:52:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:52:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:52:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:52:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:52:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:52:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:52:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:52:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:52:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:52:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:52:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:52:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:52:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:52:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 21:52:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 21:52:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 21:52:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 21:52:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 21:52:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5729 trivial. 0 not checked. [2021-12-06 21:52:10,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:52:10,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718872426] [2021-12-06 21:52:10,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718872426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:52:10,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:52:10,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:52:10,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900270783] [2021-12-06 21:52:10,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:52:10,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:52:10,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:52:10,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:52:10,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:52:10,976 INFO L87 Difference]: Start difference. First operand 318428 states and 438515 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-06 21:52:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:52:24,936 INFO L93 Difference]: Finished difference Result 785017 states and 1091300 transitions. [2021-12-06 21:52:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:52:24,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 496 [2021-12-06 21:52:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:52:27,257 INFO L225 Difference]: With dead ends: 785017 [2021-12-06 21:52:27,257 INFO L226 Difference]: Without dead ends: 466452 [2021-12-06 21:52:28,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:52:28,051 INFO L933 BasicCegarLoop]: 5403 mSDtfsCounter, 3226 mSDsluCounter, 4493 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 1271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3664 SdHoareTripleChecker+Valid, 9896 SdHoareTripleChecker+Invalid, 3410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1271 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 21:52:28,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3664 Valid, 9896 Invalid, 3410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1271 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 21:52:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466452 states. [2021-12-06 21:52:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466452 to 318428. [2021-12-06 21:52:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318428 states, 214118 states have (on average 1.2811720640020923) internal successors, (274322), 222464 states have internal predecessors, (274322), 82096 states have call successors, (82096), 22213 states have call predecessors, (82096), 22213 states have return successors, (82096), 77602 states have call predecessors, (82096), 82096 states have call successors, (82096) [2021-12-06 21:52:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318428 states to 318428 states and 438514 transitions. [2021-12-06 21:52:41,131 INFO L78 Accepts]: Start accepts. Automaton has 318428 states and 438514 transitions. Word has length 496 [2021-12-06 21:52:41,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:52:41,132 INFO L470 AbstractCegarLoop]: Abstraction has 318428 states and 438514 transitions. [2021-12-06 21:52:41,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-06 21:52:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 318428 states and 438514 transitions. [2021-12-06 21:52:41,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-06 21:52:41,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:52:41,138 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:52:41,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 21:52:41,138 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:52:41,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:52:41,138 INFO L85 PathProgramCache]: Analyzing trace with hash -712119564, now seen corresponding path program 1 times [2021-12-06 21:52:41,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:52:41,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033817486] [2021-12-06 21:52:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:52:41,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:52:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:52:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:52:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:52:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:52:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:52:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:52:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:52:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:52:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:52:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:52:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:52:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:52:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:52:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:52:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:52:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:52:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:52:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:52:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:52:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:52:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:52:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:52:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:52:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:52:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:52:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:52:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:52:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:52:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:52:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:52:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:52:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:52:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:52:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:52:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:52:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:52:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:52:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:52:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:52:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:52:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 21:52:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 21:52:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 21:52:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 21:52:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 21:52:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:52:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5750 trivial. 0 not checked. [2021-12-06 21:52:41,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:52:41,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033817486] [2021-12-06 21:52:41,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033817486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:52:41,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:52:41,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:52:41,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722262988] [2021-12-06 21:52:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:52:41,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:52:41,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:52:41,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:52:41,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:52:41,652 INFO L87 Difference]: Start difference. First operand 318428 states and 438514 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-06 21:53:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:53:03,504 INFO L93 Difference]: Finished difference Result 929815 states and 1287703 transitions. [2021-12-06 21:53:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:53:03,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 496 [2021-12-06 21:53:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:53:06,203 INFO L225 Difference]: With dead ends: 929815 [2021-12-06 21:53:06,203 INFO L226 Difference]: Without dead ends: 611513 [2021-12-06 21:53:07,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:53:07,050 INFO L933 BasicCegarLoop]: 4233 mSDtfsCounter, 8256 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 6316 mSolverCounterSat, 3847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9021 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 10163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3847 IncrementalHoareTripleChecker+Valid, 6316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:53:07,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9021 Valid, 9921 Invalid, 10163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3847 Valid, 6316 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-06 21:53:07,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611513 states. [2021-12-06 21:53:25,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611513 to 554503. [2021-12-06 21:53:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554503 states, 371153 states have (on average 1.2768885068960778) internal successors, (473921), 386507 states have internal predecessors, (473921), 142282 states have call successors, (142282), 41067 states have call predecessors, (142282), 41067 states have return successors, (142282), 133420 states have call predecessors, (142282), 142282 states have call successors, (142282) [2021-12-06 21:53:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554503 states to 554503 states and 758485 transitions. [2021-12-06 21:53:27,884 INFO L78 Accepts]: Start accepts. Automaton has 554503 states and 758485 transitions. Word has length 496 [2021-12-06 21:53:27,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:53:27,885 INFO L470 AbstractCegarLoop]: Abstraction has 554503 states and 758485 transitions. [2021-12-06 21:53:27,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-06 21:53:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 554503 states and 758485 transitions. [2021-12-06 21:53:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2021-12-06 21:53:27,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:53:27,893 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:53:27,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 21:53:27,894 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:53:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:53:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1231932669, now seen corresponding path program 1 times [2021-12-06 21:53:27,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:53:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854078062] [2021-12-06 21:53:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:53:27,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:53:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:53:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:53:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:53:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:53:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:53:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:53:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:53:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:53:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:53:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:53:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:53:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:53:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:53:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:53:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:53:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:53:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:53:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:53:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:53:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:53:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:53:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:53:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:53:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:53:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:53:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:53:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:53:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:53:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:53:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:53:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:53:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:53:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:53:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:53:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:53:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:53:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:53:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:53:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:53:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:53:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 21:53:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 21:53:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 21:53:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 21:53:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 21:53:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-06 21:53:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:53:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5750 trivial. 0 not checked. [2021-12-06 21:53:28,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:53:28,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854078062] [2021-12-06 21:53:28,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854078062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:53:28,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:53:28,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:53:28,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890820069] [2021-12-06 21:53:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:53:28,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:53:28,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:53:28,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:53:28,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:53:28,475 INFO L87 Difference]: Start difference. First operand 554503 states and 758485 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-06 21:53:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:53:53,875 INFO L93 Difference]: Finished difference Result 1322502 states and 1821151 transitions. [2021-12-06 21:53:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:53:53,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 507 [2021-12-06 21:53:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:53:57,281 INFO L225 Difference]: With dead ends: 1322502 [2021-12-06 21:53:57,281 INFO L226 Difference]: Without dead ends: 768125 [2021-12-06 21:53:58,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:53:58,993 INFO L933 BasicCegarLoop]: 4431 mSDtfsCounter, 3544 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 1456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 8437 SdHoareTripleChecker+Invalid, 3622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1456 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:53:58,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3978 Valid, 8437 Invalid, 3622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1456 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-06 21:53:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768125 states. [2021-12-06 21:54:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768125 to 697503. [2021-12-06 21:54:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697503 states, 465957 states have (on average 1.2745446468236339) internal successors, (593883), 485767 states have internal predecessors, (593883), 178600 states have call successors, (178600), 52945 states have call predecessors, (178600), 52945 states have return successors, (178600), 166842 states have call predecessors, (178600), 178600 states have call successors, (178600) [2021-12-06 21:54:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697503 states to 697503 states and 951083 transitions. [2021-12-06 21:54:27,241 INFO L78 Accepts]: Start accepts. Automaton has 697503 states and 951083 transitions. Word has length 507 [2021-12-06 21:54:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:54:27,242 INFO L470 AbstractCegarLoop]: Abstraction has 697503 states and 951083 transitions. [2021-12-06 21:54:27,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-06 21:54:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 697503 states and 951083 transitions. [2021-12-06 21:54:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-06 21:54:27,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:54:27,259 INFO L514 BasicCegarLoop]: trace histogram [42, 42, 34, 34, 34, 34, 34, 34, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:54:27,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 21:54:27,260 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:54:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:54:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1200404088, now seen corresponding path program 1 times [2021-12-06 21:54:27,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:54:27,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401656176] [2021-12-06 21:54:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:54:27,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:54:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:54:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:54:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:54:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:54:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:54:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:54:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:54:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:54:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:54:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:54:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:54:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:54:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:54:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:54:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:54:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:54:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:54:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:54:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:54:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:54:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:54:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:54:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:54:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:54:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:54:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:54:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:54:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:54:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:54:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:54:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:54:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:54:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:54:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:54:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 21:54:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:54:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:54:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 21:54:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 21:54:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:54:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 21:54:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 21:54:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 21:54:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 21:54:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-06 21:54:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 21:54:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 21:54:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-06 21:54:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:54:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6025 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6004 trivial. 0 not checked. [2021-12-06 21:54:27,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:54:27,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401656176] [2021-12-06 21:54:27,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401656176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:54:27,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:54:27,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:54:27,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56835763] [2021-12-06 21:54:27,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:54:27,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:54:27,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:54:27,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:54:27,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:54:27,885 INFO L87 Difference]: Start difference. First operand 697503 states and 951083 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46)