./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 c3fed411 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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:43:26,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:43:26,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:43:26,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:43:26,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:43:26,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:43:26,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:43:26,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:43:26,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:43:26,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:43:26,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:43:26,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:43:26,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:43:26,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:43:26,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:43:26,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:43:26,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:43:26,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:43:26,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:43:26,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:43:26,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:43:26,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:43:26,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:43:26,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:43:26,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:43:26,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:43:26,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:43:26,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:43:26,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:43:26,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:43:26,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:43:26,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:43:26,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:43:26,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:43:26,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:43:26,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:43:26,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:43:26,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:43:26,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:43:26,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:43:26,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:43:26,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:43:26,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:43:26,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:43:26,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:43:26,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:43:26,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:43:26,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:43:26,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:43:26,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:43:26,449 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:43:26,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:43:26,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:43:26,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:43:26,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:43:26,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:43:26,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:43:26,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:43:26,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:43:26,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:43:26,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:43:26,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:43:26,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:43:26,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:43:26,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:43:26,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:43:26,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:43:26,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:43:26,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:43:26,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:43:26,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:43:26,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:43:26,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:43:26,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2021-12-16 04:43:26,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:43:26,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:43:26,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:43:26,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:43:26,711 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:43:26,712 INFO L432 ainManager$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 [2021-12-16 04:43:26,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197e043b6/d1a57e97342047e99206a888f2fa5448/FLAG9a6de5235 [2021-12-16 04:43:27,547 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:43:27,548 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 [2021-12-16 04:43:27,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197e043b6/d1a57e97342047e99206a888f2fa5448/FLAG9a6de5235 [2021-12-16 04:43:28,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197e043b6/d1a57e97342047e99206a888f2fa5448 [2021-12-16 04:43:28,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:43:28,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:43:28,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:43:28,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:43:28,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:43:28,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:43:28" (1/1) ... [2021-12-16 04:43:28,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e80d99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:28, skipping insertion in model container [2021-12-16 04:43:28,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:43:28" (1/1) ... [2021-12-16 04:43:28,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:43:28,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:43:31,185 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] [2021-12-16 04:43:31,189 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] [2021-12-16 04:43:31,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:43:31,266 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:43:31,679 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] [2021-12-16 04:43:31,680 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] [2021-12-16 04:43:31,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:43:31,831 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:43:31,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31 WrapperNode [2021-12-16 04:43:31,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:43:31,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:43:31,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:43:31,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:43:31,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:31,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,085 INFO L137 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2021-12-16 04:43:32,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:43:32,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:43:32,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:43:32,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:43:32,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:43:32,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:43:32,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:43:32,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:43:32,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (1/1) ... [2021-12-16 04:43:32,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:43:32,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:43:32,408 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) [2021-12-16 04:43:32,429 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 [2021-12-16 04:43:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2021-12-16 04:43:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2021-12-16 04:43:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:43:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2021-12-16 04:43:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2021-12-16 04:43:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2021-12-16 04:43:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2021-12-16 04:43:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2021-12-16 04:43:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2021-12-16 04:43:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:43:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:43:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-16 04:43:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-16 04:43:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:43:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:43:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-16 04:43:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-16 04:43:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2021-12-16 04:43:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2021-12-16 04:43:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2021-12-16 04:43:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2021-12-16 04:43:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:43:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:43:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2021-12-16 04:43:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2021-12-16 04:43:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2021-12-16 04:43:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2021-12-16 04:43:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2021-12-16 04:43:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2021-12-16 04:43:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-16 04:43:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-16 04:43:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2021-12-16 04:43:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2021-12-16 04:43:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:43:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:43:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2021-12-16 04:43:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2021-12-16 04:43:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:43:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:43:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:43:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2021-12-16 04:43:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2021-12-16 04:43:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:43:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2021-12-16 04:43:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2021-12-16 04:43:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2021-12-16 04:43:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2021-12-16 04:43:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2021-12-16 04:43:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2021-12-16 04:43:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:43:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:43:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2021-12-16 04:43:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2021-12-16 04:43:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:43:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:43:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:43:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2021-12-16 04:43:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2021-12-16 04:43:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2021-12-16 04:43:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2021-12-16 04:43:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:43:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:43:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:43:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2021-12-16 04:43:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2021-12-16 04:43:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2021-12-16 04:43:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2021-12-16 04:43:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2021-12-16 04:43:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2021-12-16 04:43:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:43:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-12-16 04:43:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-12-16 04:43:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-16 04:43:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-16 04:43:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2021-12-16 04:43:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2021-12-16 04:43:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:43:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:43:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2021-12-16 04:43:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2021-12-16 04:43:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:43:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:43:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:43:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:43:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-16 04:43:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-16 04:43:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2021-12-16 04:43:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2021-12-16 04:43:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:43:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:43:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:43:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:43:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:43:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2021-12-16 04:43:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2021-12-16 04:43:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:43:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-16 04:43:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-12-16 04:43:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-12-16 04:43:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:43:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:43:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:43:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2021-12-16 04:43:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2021-12-16 04:43:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2021-12-16 04:43:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2021-12-16 04:43:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:43:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2021-12-16 04:43:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2021-12-16 04:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2021-12-16 04:43:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2021-12-16 04:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:43:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2021-12-16 04:43:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2021-12-16 04:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-16 04:43:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-16 04:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-16 04:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-16 04:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2021-12-16 04:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2021-12-16 04:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2021-12-16 04:43:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2021-12-16 04:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:43:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2021-12-16 04:43:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2021-12-16 04:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:43:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:43:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:43:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2021-12-16 04:43:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2021-12-16 04:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2021-12-16 04:43:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2021-12-16 04:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2021-12-16 04:43:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2021-12-16 04:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2021-12-16 04:43:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2021-12-16 04:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2021-12-16 04:43:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2021-12-16 04:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2021-12-16 04:43:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2021-12-16 04:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2021-12-16 04:43:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2021-12-16 04:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2021-12-16 04:43:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2021-12-16 04:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2021-12-16 04:43:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2021-12-16 04:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2021-12-16 04:43:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2021-12-16 04:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-16 04:43:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-16 04:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2021-12-16 04:43:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2021-12-16 04:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2021-12-16 04:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2021-12-16 04:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2021-12-16 04:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2021-12-16 04:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2021-12-16 04:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2021-12-16 04:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-16 04:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-16 04:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2021-12-16 04:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2021-12-16 04:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2021-12-16 04:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2021-12-16 04:43:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:43:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:43:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:43:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2021-12-16 04:43:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2021-12-16 04:43:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2021-12-16 04:43:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2021-12-16 04:43:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2021-12-16 04:43:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2021-12-16 04:43:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:43:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2021-12-16 04:43:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2021-12-16 04:43:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-16 04:43:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-16 04:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2021-12-16 04:43:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2021-12-16 04:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2021-12-16 04:43:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2021-12-16 04:43:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2021-12-16 04:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2021-12-16 04:43:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:43:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-12-16 04:43:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-12-16 04:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:43:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:43:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-12-16 04:43:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-12-16 04:43:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2021-12-16 04:43:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2021-12-16 04:43:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:43:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:43:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2021-12-16 04:43:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2021-12-16 04:43:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2021-12-16 04:43:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2021-12-16 04:43:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2021-12-16 04:43:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2021-12-16 04:43:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:43:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:43:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:43:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:43:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-12-16 04:43:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-12-16 04:43:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:43:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2021-12-16 04:43:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2021-12-16 04:43:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2021-12-16 04:43:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2021-12-16 04:43:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:43:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:43:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2021-12-16 04:43:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2021-12-16 04:43:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-16 04:43:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:43:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:43:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2021-12-16 04:43:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2021-12-16 04:43:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:43:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:43:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2021-12-16 04:43:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2021-12-16 04:43:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:43:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:43:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2021-12-16 04:43:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2021-12-16 04:43:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:43:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:43:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-12-16 04:43:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2021-12-16 04:43:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-12-16 04:43:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-12-16 04:43:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2021-12-16 04:43:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2021-12-16 04:43:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2021-12-16 04:43:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2021-12-16 04:43:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:43:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:43:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:43:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2021-12-16 04:43:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2021-12-16 04:43:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:43:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:43:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2021-12-16 04:43:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2021-12-16 04:43:33,363 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:43:33,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:43:33,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:43:35,797 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:43:35,903 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:43:35,930 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:43:35,931 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:43:35,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:43:35 BoogieIcfgContainer [2021-12-16 04:43:35,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:43:35,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:43:35,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:43:35,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:43:35,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:43:28" (1/3) ... [2021-12-16 04:43:35,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15973781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:43:35, skipping insertion in model container [2021-12-16 04:43:35,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:43:31" (2/3) ... [2021-12-16 04:43:35,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15973781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:43:35, skipping insertion in model container [2021-12-16 04:43:35,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:43:35" (3/3) ... [2021-12-16 04:43:35,943 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-12-16 04:43:35,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:43:35,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:43:35,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:43:36,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:43:36,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:43:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) [2021-12-16 04:43:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-12-16 04:43:36,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:43:36,091 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:43:36,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:43:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:43:36,096 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2021-12-16 04:43:36,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:43:36,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959160768] [2021-12-16 04:43:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:43:36,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:43:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:43:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:43:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:43:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:43:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:43:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:43:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:43:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:43:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:43:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:43:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:43:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:43:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:43:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:43:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:43:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:43:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:43:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:43:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:43:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:43:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:43:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:43:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:43:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:43:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:43:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:43:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:43:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:43:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 04:43:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:43:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 04:43:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-16 04:43:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:43:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-16 04:43:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:43:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-16 04:43:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-12-16 04:43:37,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:43:37,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959160768] [2021-12-16 04:43:37,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959160768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:43:37,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:43:37,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:43:37,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019692260] [2021-12-16 04:43:37,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:43:37,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:43:37,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:43:37,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:43:37,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:43:37,841 INFO L87 Difference]: Start difference. First operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-16 04:43:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:43:43,028 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2021-12-16 04:43:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:43:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2021-12-16 04:43:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:43:43,104 INFO L225 Difference]: With dead ends: 6634 [2021-12-16 04:43:43,104 INFO L226 Difference]: Without dead ends: 4466 [2021-12-16 04:43:43,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:43:43,129 INFO L933 BasicCegarLoop]: 3275 mSDtfsCounter, 3946 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 1904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4402 SdHoareTripleChecker+Valid, 6790 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1904 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:43:43,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4402 Valid, 6790 Invalid, 4056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1904 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-16 04:43:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2021-12-16 04:43:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2021-12-16 04:43:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2741 states have (on average 1.2885808099233855) internal successors, (3532), 2837 states have internal predecessors, (3532), 1092 states have call successors, (1092), 244 states have call predecessors, (1092), 244 states have return successors, (1092), 1044 states have call predecessors, (1092), 1092 states have call successors, (1092) [2021-12-16 04:43:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2021-12-16 04:43:43,476 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2021-12-16 04:43:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:43:43,480 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2021-12-16 04:43:43,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-16 04:43:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2021-12-16 04:43:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-12-16 04:43:43,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:43:43,493 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:43:43,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:43:43,494 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:43:43,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:43:43,495 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2021-12-16 04:43:43,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:43:43,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532967587] [2021-12-16 04:43:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:43:43,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:43:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:43:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:43:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:43:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:43:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:43:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:43:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:43:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:43:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:43:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:43:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:43:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:43:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:43:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:43:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:43:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:43:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:43:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:43:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:43:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:43:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:43:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:43:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:43:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:43:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:43:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:43:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:43:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:43:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 04:43:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:43:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 04:43:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-16 04:43:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:43:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-16 04:43:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:43:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-16 04:43:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2021-12-16 04:43:44,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:43:44,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532967587] [2021-12-16 04:43:44,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532967587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:43:44,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:43:44,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:43:44,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490309022] [2021-12-16 04:43:44,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:43:44,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:43:44,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:43:44,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:43:44,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:43:44,413 INFO L87 Difference]: Start difference. First operand 4078 states and 5716 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-16 04:43:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:43:54,778 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2021-12-16 04:43:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:43:54,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 409 [2021-12-16 04:43:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:43:54,845 INFO L225 Difference]: With dead ends: 14791 [2021-12-16 04:43:54,845 INFO L226 Difference]: Without dead ends: 10786 [2021-12-16 04:43:54,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:43:54,866 INFO L933 BasicCegarLoop]: 4791 mSDtfsCounter, 7441 mSDsluCounter, 7163 mSDsCounter, 0 mSdLazyCounter, 7548 mSolverCounterSat, 3594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8209 SdHoareTripleChecker+Valid, 11954 SdHoareTripleChecker+Invalid, 11142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3594 IncrementalHoareTripleChecker+Valid, 7548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:43:54,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8209 Valid, 11954 Invalid, 11142 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3594 Valid, 7548 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-16 04:43:54,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2021-12-16 04:43:55,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2021-12-16 04:43:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9832 states, 6567 states have (on average 1.2852139485305314) internal successors, (8440), 6825 states have internal predecessors, (8440), 2612 states have call successors, (2612), 652 states have call predecessors, (2612), 652 states have return successors, (2612), 2466 states have call predecessors, (2612), 2612 states have call successors, (2612) [2021-12-16 04:43:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2021-12-16 04:43:55,369 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2021-12-16 04:43:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:43:55,371 INFO L470 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2021-12-16 04:43:55,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-16 04:43:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2021-12-16 04:43:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-16 04:43:55,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:43:55,385 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:43:55,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:43:55,385 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:43:55,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:43:55,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2021-12-16 04:43:55,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:43:55,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837159959] [2021-12-16 04:43:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:43:55,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:43:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:43:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:43:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:43:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:43:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:43:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:43:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:43:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:43:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:43:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:43:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:43:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:43:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:43:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:43:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:43:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:43:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:43:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:43:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:43:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:43:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:43:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:43:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:43:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:43:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:43:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:43:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:43:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:43:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 04:43:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:43:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 04:43:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-16 04:43:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:43:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-16 04:43:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:43:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:43:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-16 04:43:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-16 04:43:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-16 04:43:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:43:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2021-12-16 04:43:56,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:43:56,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837159959] [2021-12-16 04:43:56,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837159959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:43:56,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:43:56,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:43:56,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721549085] [2021-12-16 04:43:56,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:43:56,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:43:56,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:43:56,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:43:56,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:43:56,294 INFO L87 Difference]: Start difference. First operand 9832 states and 13664 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-16 04:43:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:43:59,475 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2021-12-16 04:43:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:43:59,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 431 [2021-12-16 04:43:59,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:43:59,539 INFO L225 Difference]: With dead ends: 21521 [2021-12-16 04:43:59,540 INFO L226 Difference]: Without dead ends: 11762 [2021-12-16 04:43:59,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:43:59,576 INFO L933 BasicCegarLoop]: 2970 mSDtfsCounter, 2223 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6438 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:43:59,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2462 Valid, 6438 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-16 04:43:59,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2021-12-16 04:43:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2021-12-16 04:43:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10749 states, 7164 states have (on average 1.281965382467895) internal successors, (9184), 7452 states have internal predecessors, (9184), 2842 states have call successors, (2842), 742 states have call predecessors, (2842), 742 states have return successors, (2842), 2674 states have call predecessors, (2842), 2842 states have call successors, (2842) [2021-12-16 04:44:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2021-12-16 04:44:00,043 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2021-12-16 04:44:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:44:00,044 INFO L470 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2021-12-16 04:44:00,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-16 04:44:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2021-12-16 04:44:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-16 04:44:00,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:44:00,056 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:44:00,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:44:00,057 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:44:00,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:44:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2021-12-16 04:44:00,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:44:00,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549672386] [2021-12-16 04:44:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:44:00,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:44:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:44:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:44:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:44:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:44:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:44:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:44:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:44:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:44:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:44:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:44:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:44:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:44:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:44:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:44:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:44:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:44:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:44:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:44:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:44:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:44:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:44:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:44:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:44:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:44:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:44:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:44:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:44:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:44:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 04:44:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:44:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 04:44:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-16 04:44:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:44:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-16 04:44:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:44:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-16 04:44:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-16 04:44:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:44:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-16 04:44:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-16 04:44:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-12-16 04:44:00,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:44:00,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549672386] [2021-12-16 04:44:00,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549672386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:44:00,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:44:00,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:44:00,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267571271] [2021-12-16 04:44:00,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:44:00,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:44:00,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:44:00,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:44:00,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:44:00,888 INFO L87 Difference]: Start difference. First operand 10749 states and 14868 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-16 04:44:10,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:44:10,098 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2021-12-16 04:44:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:44:10,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2021-12-16 04:44:10,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:44:10,257 INFO L225 Difference]: With dead ends: 43362 [2021-12-16 04:44:10,258 INFO L226 Difference]: Without dead ends: 32686 [2021-12-16 04:44:10,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:44:10,320 INFO L933 BasicCegarLoop]: 3551 mSDtfsCounter, 17061 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 9242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17893 SdHoareTripleChecker+Valid, 9692 SdHoareTripleChecker+Invalid, 14718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9242 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:44:10,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17893 Valid, 9692 Invalid, 14718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9242 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-16 04:44:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2021-12-16 04:44:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2021-12-16 04:44:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29721 states, 19860 states have (on average 1.2837361530715006) internal successors, (25495), 20688 states have internal predecessors, (25495), 7790 states have call successors, (7790), 2070 states have call predecessors, (7790), 2070 states have return successors, (7790), 7306 states have call predecessors, (7790), 7790 states have call successors, (7790) [2021-12-16 04:44:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2021-12-16 04:44:11,608 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2021-12-16 04:44:11,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:44:11,610 INFO L470 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2021-12-16 04:44:11,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-16 04:44:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2021-12-16 04:44:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-16 04:44:11,620 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:44:11,620 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:44:11,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:44:11,621 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:44:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:44:11,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2021-12-16 04:44:11,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:44:11,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139574007] [2021-12-16 04:44:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:44:11,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:44:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:44:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:44:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:44:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:44:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:44:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:44:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:44:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:44:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:44:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:44:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:44:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:44:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:44:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:44:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:44:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:44:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:44:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:44:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:44:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:44:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:44:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:44:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:44:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:44:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:44:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:44:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:44:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:44:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 04:44:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:44:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 04:44:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-16 04:44:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:44:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-16 04:44:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:44:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-16 04:44:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-16 04:44:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:44:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-16 04:44:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:44:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-16 04:44:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-16 04:44:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:44:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-12-16 04:44:12,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:44:12,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139574007] [2021-12-16 04:44:12,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139574007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:44:12,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:44:12,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:44:12,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622605974] [2021-12-16 04:44:12,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:44:12,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:44:12,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:44:12,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:44:12,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:44:12,547 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)