./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.1-dev-0f8a17c [2021-11-17 06:49:55,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 06:49:55,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 06:49:55,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 06:49:55,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 06:49:55,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 06:49:55,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 06:49:55,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 06:49:55,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 06:49:55,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 06:49:55,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 06:49:55,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 06:49:55,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 06:49:55,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 06:49:55,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 06:49:55,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 06:49:55,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 06:49:55,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 06:49:55,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 06:49:55,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 06:49:55,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 06:49:55,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 06:49:55,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 06:49:55,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 06:49:55,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 06:49:55,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 06:49:55,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 06:49:55,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 06:49:55,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 06:49:55,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 06:49:55,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 06:49:55,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 06:49:55,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 06:49:55,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 06:49:55,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 06:49:55,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 06:49:55,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 06:49:55,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 06:49:55,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 06:49:55,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 06:49:55,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 06:49:55,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 06:49:55,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 06:49:55,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 06:49:55,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 06:49:55,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 06:49:55,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 06:49:55,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 06:49:55,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 06:49:55,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 06:49:55,288 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 06:49:55,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 06:49:55,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 06:49:55,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 06:49:55,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 06:49:55,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 06:49:55,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 06:49:55,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 06:49:55,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:49:55,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 06:49:55,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 06:49:55,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 06:49:55,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 06:49:55,292 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2021-11-17 06:49:55,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 06:49:55,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 06:49:55,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 06:49:55,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 06:49:55,531 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 06:49:55,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-17 06:49:55,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f52e599f/9e2698ed3d014bb39d1a129fbd1cb70b/FLAGb5b34689c [2021-11-17 06:49:56,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 06:49:56,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-17 06:49:56,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f52e599f/9e2698ed3d014bb39d1a129fbd1cb70b/FLAGb5b34689c [2021-11-17 06:49:56,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f52e599f/9e2698ed3d014bb39d1a129fbd1cb70b [2021-11-17 06:49:56,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 06:49:56,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 06:49:56,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 06:49:56,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 06:49:56,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 06:49:56,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:56" (1/1) ... [2021-11-17 06:49:56,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737f724d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:56, skipping insertion in model container [2021-11-17 06:49:56,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:49:56" (1/1) ... [2021-11-17 06:49:56,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 06:49:56,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 06:49:59,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 06:49:59,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 06:49:59,432 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:49:59,458 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 06:49:59,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 06:49:59,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 06:49:59,767 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:49:59,873 INFO L208 MainTranslator]: Completed translation [2021-11-17 06:49:59,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59 WrapperNode [2021-11-17 06:49:59,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 06:49:59,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 06:49:59,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 06:49:59,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 06:49:59,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:49:59,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,091 INFO L137 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5315 [2021-11-17 06:50:00,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 06:50:00,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 06:50:00,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 06:50:00,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 06:50:00,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 06:50:00,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 06:50:00,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 06:50:00,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 06:50:00,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (1/1) ... [2021-11-17 06:50:00,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:50:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:50:00,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 06:50:00,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 06:50:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2021-11-17 06:50:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2021-11-17 06:50:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 06:50:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2021-11-17 06:50:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2021-11-17 06:50:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2021-11-17 06:50:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2021-11-17 06:50:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2021-11-17 06:50:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2021-11-17 06:50:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 06:50:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 06:50:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 06:50:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 06:50:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 06:50:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 06:50:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-17 06:50:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-17 06:50:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2021-11-17 06:50:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2021-11-17 06:50:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2021-11-17 06:50:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2021-11-17 06:50:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 06:50:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 06:50:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2021-11-17 06:50:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2021-11-17 06:50:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2021-11-17 06:50:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2021-11-17 06:50:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2021-11-17 06:50:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2021-11-17 06:50:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-17 06:50:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-17 06:50:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2021-11-17 06:50:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2021-11-17 06:50:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 06:50:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 06:50:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2021-11-17 06:50:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 06:50:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2021-11-17 06:50:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2021-11-17 06:50:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2021-11-17 06:50:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2021-11-17 06:50:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2021-11-17 06:50:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2021-11-17 06:50:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2021-11-17 06:50:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 06:50:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 06:50:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2021-11-17 06:50:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2021-11-17 06:50:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 06:50:00,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 06:50:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 06:50:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2021-11-17 06:50:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2021-11-17 06:50:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2021-11-17 06:50:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2021-11-17 06:50:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 06:50:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 06:50:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 06:50:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2021-11-17 06:50:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2021-11-17 06:50:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2021-11-17 06:50:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2021-11-17 06:50:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2021-11-17 06:50:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2021-11-17 06:50:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 06:50:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-11-17 06:50:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-11-17 06:50:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 06:50:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 06:50:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2021-11-17 06:50:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2021-11-17 06:50:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 06:50:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 06:50:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2021-11-17 06:50:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2021-11-17 06:50:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 06:50:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 06:50:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 06:50:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 06:50:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-17 06:50:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-17 06:50:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2021-11-17 06:50:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2021-11-17 06:50:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 06:50:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 06:50:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 06:50:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 06:50:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 06:50:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2021-11-17 06:50:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2021-11-17 06:50:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 06:50:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 06:50:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-11-17 06:50:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-11-17 06:50:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 06:50:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 06:50:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 06:50:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2021-11-17 06:50:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2021-11-17 06:50:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2021-11-17 06:50:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2021-11-17 06:50:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 06:50:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 06:50:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 06:50:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2021-11-17 06:50:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2021-11-17 06:50:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2021-11-17 06:50:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2021-11-17 06:50:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:50:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:50:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2021-11-17 06:50:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2021-11-17 06:50:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:50:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:50:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 06:50:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 06:50:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-17 06:50:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-17 06:50:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 06:50:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 06:50:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2021-11-17 06:50:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2021-11-17 06:50:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2021-11-17 06:50:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2021-11-17 06:50:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 06:50:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 06:50:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2021-11-17 06:50:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 06:50:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 06:50:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 06:50:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 06:50:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2021-11-17 06:50:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2021-11-17 06:50:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2021-11-17 06:50:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2021-11-17 06:50:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2021-11-17 06:50:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2021-11-17 06:50:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2021-11-17 06:50:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2021-11-17 06:50:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2021-11-17 06:50:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2021-11-17 06:50:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2021-11-17 06:50:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2021-11-17 06:50:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2021-11-17 06:50:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2021-11-17 06:50:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2021-11-17 06:50:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-17 06:50:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-17 06:50:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2021-11-17 06:50:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2021-11-17 06:50:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2021-11-17 06:50:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2021-11-17 06:50:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2021-11-17 06:50:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2021-11-17 06:50:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2021-11-17 06:50:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2021-11-17 06:50:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 06:50:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 06:50:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 06:50:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2021-11-17 06:50:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2021-11-17 06:50:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 06:50:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2021-11-17 06:50:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2021-11-17 06:50:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2021-11-17 06:50:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2021-11-17 06:50:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2021-11-17 06:50:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-17 06:50:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 06:50:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2021-11-17 06:50:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2021-11-17 06:50:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2021-11-17 06:50:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2021-11-17 06:50:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 06:50:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 06:50:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 06:50:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 06:50:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2021-11-17 06:50:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2021-11-17 06:50:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 06:50:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-11-17 06:50:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 06:50:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-11-17 06:50:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2021-11-17 06:50:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 06:50:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 06:50:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2021-11-17 06:50:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2021-11-17 06:50:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2021-11-17 06:50:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2021-11-17 06:50:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2021-11-17 06:50:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2021-11-17 06:50:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 06:50:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 06:50:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 06:50:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 06:50:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-11-17 06:50:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-11-17 06:50:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 06:50:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2021-11-17 06:50:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2021-11-17 06:50:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2021-11-17 06:50:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 06:50:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2021-11-17 06:50:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 06:50:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2021-11-17 06:50:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2021-11-17 06:50:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 06:50:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 06:50:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2021-11-17 06:50:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2021-11-17 06:50:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 06:50:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 06:50:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2021-11-17 06:50:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2021-11-17 06:50:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 06:50:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 06:50:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-11-17 06:50:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-11-17 06:50:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-11-17 06:50:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-11-17 06:50:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2021-11-17 06:50:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2021-11-17 06:50:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 06:50:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2021-11-17 06:50:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 06:50:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 06:50:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2021-11-17 06:50:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2021-11-17 06:50:01,151 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 06:50:01,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 06:50:01,589 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:50:04,325 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 06:50:04,409 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:50:04,421 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:50:04,421 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 06:50:04,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:50:04 BoogieIcfgContainer [2021-11-17 06:50:04,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:50:04,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:50:04,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:50:04,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:50:04,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:49:56" (1/3) ... [2021-11-17 06:50:04,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c7a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:50:04, skipping insertion in model container [2021-11-17 06:50:04,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:49:59" (2/3) ... [2021-11-17 06:50:04,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c7a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:50:04, skipping insertion in model container [2021-11-17 06:50:04,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:50:04" (3/3) ... [2021-11-17 06:50:04,431 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-17 06:50:04,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:50:04,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:50:04,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:50:04,495 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 [2021-11-17 06:50:04,495 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:50:04,544 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) [2021-11-17 06:50:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-17 06:50:04,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:04,571 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] [2021-11-17 06:50:04,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2021-11-17 06:50:04,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:04,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171562512] [2021-11-17 06:50:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:04,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 06:50:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-11-17 06:50:05,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:05,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171562512] [2021-11-17 06:50:05,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171562512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:05,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:05,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:50:05,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666343043] [2021-11-17 06:50:05,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:05,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:50:05,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:05,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:50:05,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:50:05,850 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) [2021-11-17 06:50:07,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:09,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:14,503 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2021-11-17 06:50:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:50:14,505 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 [2021-11-17 06:50:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:14,558 INFO L225 Difference]: With dead ends: 6634 [2021-11-17 06:50:14,559 INFO L226 Difference]: Without dead ends: 4466 [2021-11-17 06:50:14,577 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 [2021-11-17 06:50:14,581 INFO L933 BasicCegarLoop]: 3278 mSDtfsCounter, 3946 mSDsluCounter, 3519 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 1904 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4400 SdHoareTripleChecker+Valid, 6797 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1904 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:14,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4400 Valid, 6797 Invalid, 4056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1904 Valid, 2150 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-17 06:50:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2021-11-17 06:50:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2021-11-17 06:50:14,836 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) [2021-11-17 06:50:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2021-11-17 06:50:14,859 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2021-11-17 06:50:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:14,862 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2021-11-17 06:50:14,862 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) [2021-11-17 06:50:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2021-11-17 06:50:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-11-17 06:50:14,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:14,870 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] [2021-11-17 06:50:14,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:50:14,870 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:14,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2021-11-17 06:50:14,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:14,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415955663] [2021-11-17 06:50:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:14,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 06:50:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-11-17 06:50:15,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:15,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415955663] [2021-11-17 06:50:15,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415955663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:15,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:15,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:50:15,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028712249] [2021-11-17 06:50:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:15,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:50:15,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:50:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:50:15,576 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) [2021-11-17 06:50:17,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:19,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:28,428 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2021-11-17 06:50:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 06:50:28,428 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 [2021-11-17 06:50:28,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:28,482 INFO L225 Difference]: With dead ends: 14791 [2021-11-17 06:50:28,482 INFO L226 Difference]: Without dead ends: 10786 [2021-11-17 06:50:28,496 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 [2021-11-17 06:50:28,497 INFO L933 BasicCegarLoop]: 4786 mSDtfsCounter, 7442 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 7544 mSolverCounterSat, 3597 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8214 SdHoareTripleChecker+Valid, 11943 SdHoareTripleChecker+Invalid, 11143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3597 IncrementalHoareTripleChecker+Valid, 7544 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:28,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8214 Valid, 11943 Invalid, 11143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3597 Valid, 7544 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2021-11-17 06:50:28,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2021-11-17 06:50:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2021-11-17 06:50:28,826 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) [2021-11-17 06:50:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2021-11-17 06:50:28,862 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2021-11-17 06:50:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:28,863 INFO L470 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2021-11-17 06:50:28,864 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) [2021-11-17 06:50:28,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2021-11-17 06:50:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-17 06:50:28,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:28,872 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] [2021-11-17 06:50:28,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:50:28,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:28,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2021-11-17 06:50:28,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:28,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544110331] [2021-11-17 06:50:28,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:28,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 06:50:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 06:50:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 06:50:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2021-11-17 06:50:29,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:29,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544110331] [2021-11-17 06:50:29,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544110331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:29,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:29,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:50:29,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463752629] [2021-11-17 06:50:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:29,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:50:29,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:50:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:50:29,568 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) [2021-11-17 06:50:31,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:34,974 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2021-11-17 06:50:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:50:34,974 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 [2021-11-17 06:50:34,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:35,074 INFO L225 Difference]: With dead ends: 21521 [2021-11-17 06:50:35,074 INFO L226 Difference]: Without dead ends: 11762 [2021-11-17 06:50:35,101 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 [2021-11-17 06:50:35,105 INFO L933 BasicCegarLoop]: 2977 mSDtfsCounter, 2223 mSDsluCounter, 3483 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 1266 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6460 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:35,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2462 Valid, 6460 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 1742 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-11-17 06:50:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2021-11-17 06:50:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2021-11-17 06:50:35,435 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) [2021-11-17 06:50:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2021-11-17 06:50:35,473 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2021-11-17 06:50:35,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:35,473 INFO L470 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2021-11-17 06:50:35,474 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) [2021-11-17 06:50:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2021-11-17 06:50:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-17 06:50:35,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:35,482 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] [2021-11-17 06:50:35,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:50:35,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2021-11-17 06:50:35,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:35,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848522524] [2021-11-17 06:50:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:35,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 06:50:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 06:50:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 06:50:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 06:50:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:50:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 06:50:36,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:36,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848522524] [2021-11-17 06:50:36,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848522524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:36,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:36,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:50:36,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127438311] [2021-11-17 06:50:36,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:36,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:50:36,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:36,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:50:36,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:50:36,272 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) [2021-11-17 06:50:46,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:46,166 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2021-11-17 06:50:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 06:50:46,167 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 [2021-11-17 06:50:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:46,301 INFO L225 Difference]: With dead ends: 43362 [2021-11-17 06:50:46,302 INFO L226 Difference]: Without dead ends: 32686 [2021-11-17 06:50:46,349 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 [2021-11-17 06:50:46,351 INFO L933 BasicCegarLoop]: 3556 mSDtfsCounter, 17073 mSDsluCounter, 6146 mSDsCounter, 0 mSdLazyCounter, 5474 mSolverCounterSat, 9246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17902 SdHoareTripleChecker+Valid, 9702 SdHoareTripleChecker+Invalid, 14720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9246 IncrementalHoareTripleChecker+Valid, 5474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:46,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17902 Valid, 9702 Invalid, 14720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9246 Valid, 5474 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-11-17 06:50:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2021-11-17 06:50:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2021-11-17 06:50:47,230 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) [2021-11-17 06:50:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2021-11-17 06:50:47,337 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2021-11-17 06:50:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:47,338 INFO L470 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2021-11-17 06:50:47,338 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) [2021-11-17 06:50:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2021-11-17 06:50:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-11-17 06:50:47,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:47,456 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] [2021-11-17 06:50:47,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:50:47,456 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2021-11-17 06:50:47,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:47,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149384939] [2021-11-17 06:50:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:47,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 06:50:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 06:50:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 06:50:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 06:50:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 06:50:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 06:50:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 06:50:47,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:47,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149384939] [2021-11-17 06:50:47,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149384939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:47,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:47,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:50:47,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016875800] [2021-11-17 06:50:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:47,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:50:47,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:47,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:50:47,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:50:47,992 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) [2021-11-17 06:50:50,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:54,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:54,616 INFO L93 Difference]: Finished difference Result 93098 states and 129880 transitions. [2021-11-17 06:50:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:50:54,617 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 [2021-11-17 06:50:54,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:54,934 INFO L225 Difference]: With dead ends: 93098 [2021-11-17 06:50:54,934 INFO L226 Difference]: Without dead ends: 63450 [2021-11-17 06:50:55,035 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 [2021-11-17 06:50:55,038 INFO L933 BasicCegarLoop]: 3284 mSDtfsCounter, 3954 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 1775 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4391 SdHoareTripleChecker+Valid, 6833 SdHoareTripleChecker+Invalid, 3825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1775 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:55,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4391 Valid, 6833 Invalid, 3825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1775 Valid, 2049 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-17 06:50:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63450 states. [2021-11-17 06:50:56,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63450 to 57748. [2021-11-17 06:50:56,898 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) [2021-11-17 06:50:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57748 states to 57748 states and 79638 transitions. [2021-11-17 06:50:57,147 INFO L78 Accepts]: Start accepts. Automaton has 57748 states and 79638 transitions. Word has length 459 [2021-11-17 06:50:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:57,148 INFO L470 AbstractCegarLoop]: Abstraction has 57748 states and 79638 transitions. [2021-11-17 06:50:57,148 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) [2021-11-17 06:50:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 57748 states and 79638 transitions. [2021-11-17 06:50:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-11-17 06:50:57,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:57,153 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] [2021-11-17 06:50:57,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:50:57,154 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:57,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:57,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998385, now seen corresponding path program 1 times [2021-11-17 06:50:57,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:57,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093439041] [2021-11-17 06:50:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:57,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:50:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:50:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:50:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:50:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:50:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:50:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:50:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:50:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:50:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:50:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:50:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:50:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:50:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:50:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:50:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:50:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:50:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:50:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:50:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:50:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:50:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:50:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:50:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:50:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 06:50:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 06:50:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 06:50:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 06:50:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 06:50:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 06:50:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 06:50:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2021-11-17 06:50:58,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:58,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093439041] [2021-11-17 06:50:58,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093439041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:58,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:58,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:50:58,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591960059] [2021-11-17 06:50:58,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:58,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:50:58,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:58,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:50:58,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:50:58,138 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) [2021-11-17 06:51:00,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:06,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:51:06,105 INFO L93 Difference]: Finished difference Result 176556 states and 245986 transitions. [2021-11-17 06:51:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:51:06,106 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 [2021-11-17 06:51:06,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:51:06,835 INFO L225 Difference]: With dead ends: 176556 [2021-11-17 06:51:06,835 INFO L226 Difference]: Without dead ends: 118881 [2021-11-17 06:51:07,001 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 [2021-11-17 06:51:07,002 INFO L933 BasicCegarLoop]: 3627 mSDtfsCounter, 3739 mSDsluCounter, 3586 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 1686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4175 SdHoareTripleChecker+Valid, 7213 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:51:07,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4175 Valid, 7213 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1686 Valid, 2064 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-17 06:51:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118881 states. [2021-11-17 06:51:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118881 to 108077. [2021-11-17 06:51:10,300 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) [2021-11-17 06:51:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108077 states to 108077 states and 148831 transitions. [2021-11-17 06:51:11,062 INFO L78 Accepts]: Start accepts. Automaton has 108077 states and 148831 transitions. Word has length 465 [2021-11-17 06:51:11,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:51:11,062 INFO L470 AbstractCegarLoop]: Abstraction has 108077 states and 148831 transitions. [2021-11-17 06:51:11,063 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) [2021-11-17 06:51:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 108077 states and 148831 transitions. [2021-11-17 06:51:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-17 06:51:11,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:51:11,067 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] [2021-11-17 06:51:11,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:51:11,068 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:51:11,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:51:11,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1341911488, now seen corresponding path program 1 times [2021-11-17 06:51:11,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:51:11,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468937901] [2021-11-17 06:51:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:51:11,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:51:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:51:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:51:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:51:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:51:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:51:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:51:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:51:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:51:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:51:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:51:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:51:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:51:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:51:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:51:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:51:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:51:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:51:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:51:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:51:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:51:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:51:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:51:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:51:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:51:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:51:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:51:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:51:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:51:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:51:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:51:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:51:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:51:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:51:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:51:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:51:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 06:51:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 06:51:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 06:51:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:51:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 06:51:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 06:51:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2021-11-17 06:51:11,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:51:11,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468937901] [2021-11-17 06:51:11,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468937901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:51:11,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:51:11,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:51:11,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023978059] [2021-11-17 06:51:11,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:51:11,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:51:11,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:51:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:51:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:51:11,849 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) [2021-11-17 06:51:13,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:15,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:51:24,717 INFO L93 Difference]: Finished difference Result 343099 states and 477871 transitions. [2021-11-17 06:51:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:51:24,727 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 [2021-11-17 06:51:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:51:26,133 INFO L225 Difference]: With dead ends: 343099 [2021-11-17 06:51:26,133 INFO L226 Difference]: Without dead ends: 235148 [2021-11-17 06:51:26,495 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 [2021-11-17 06:51:26,496 INFO L933 BasicCegarLoop]: 5515 mSDtfsCounter, 3187 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 2148 mSolverCounterSat, 1238 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 10048 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1238 IncrementalHoareTripleChecker+Valid, 2148 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:51:26,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3630 Valid, 10048 Invalid, 3388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1238 Valid, 2148 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-17 06:51:26,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235148 states. [2021-11-17 06:51:33,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235148 to 213566. [2021-11-17 06:51:33,567 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) [2021-11-17 06:51:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213566 states to 213566 states and 294027 transitions. [2021-11-17 06:51:34,898 INFO L78 Accepts]: Start accepts. Automaton has 213566 states and 294027 transitions. Word has length 470 [2021-11-17 06:51:34,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:51:34,899 INFO L470 AbstractCegarLoop]: Abstraction has 213566 states and 294027 transitions. [2021-11-17 06:51:34,899 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) [2021-11-17 06:51:34,899 INFO L276 IsEmpty]: Start isEmpty. Operand 213566 states and 294027 transitions. [2021-11-17 06:51:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-17 06:51:34,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:51:34,904 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] [2021-11-17 06:51:34,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 06:51:34,904 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:51:34,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:51:34,904 INFO L85 PathProgramCache]: Analyzing trace with hash -465892482, now seen corresponding path program 1 times [2021-11-17 06:51:34,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:51:34,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441210274] [2021-11-17 06:51:34,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:51:34,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:51:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:51:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:51:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:51:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:51:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:51:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:51:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:51:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:51:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 06:51:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 06:51:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 06:51:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:51:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:51:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:51:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 06:51:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 06:51:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 06:51:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 06:51:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 06:51:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:51:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:51:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 06:51:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 06:51:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 06:51:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 06:51:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 06:51:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:51:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 06:51:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 06:51:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:51:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:51:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:51:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:51:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:51:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 06:51:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 06:51:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 06:51:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 06:51:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:51:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 06:51:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 06:51:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2021-11-17 06:51:35,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:51:35,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441210274] [2021-11-17 06:51:35,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441210274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:51:35,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:51:35,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 06:51:35,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112264362] [2021-11-17 06:51:35,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:51:35,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 06:51:35,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:51:35,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 06:51:35,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 06:51:35,442 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) [2021-11-17 06:51:37,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:39,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []