./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 6c24879c 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-?-6c24879 [2022-07-12 14:51:02,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:51:02,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:51:02,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:51:02,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:51:02,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:51:02,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:51:02,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:51:02,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:51:02,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:51:02,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:51:02,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:51:02,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:51:02,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:51:02,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:51:02,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:51:02,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:51:02,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:51:02,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:51:02,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:51:02,185 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:51:02,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:51:02,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:51:02,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:51:02,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:51:02,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:51:02,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:51:02,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:51:02,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:51:02,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:51:02,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:51:02,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:51:02,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:51:02,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:51:02,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:51:02,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:51:02,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:51:02,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:51:02,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:51:02,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:51:02,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:51:02,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:51:02,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:51:02,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:51:02,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:51:02,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:51:02,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:51:02,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:51:02,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:51:02,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:51:02,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:51:02,228 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:51:02,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:51:02,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:51:02,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:51:02,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:51:02,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:51:02,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:51:02,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:51:02,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:51:02,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:51:02,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:51:02,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:51:02,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:51:02,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:51:02,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:51:02,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:51:02,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:51:02,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2022-07-12 14:51:02,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:51:02,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:51:02,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:51:02,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:51:02,459 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:51:02,460 INFO L432 ainManager$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 [2022-07-12 14:51:02,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4970637c1/237524a6953b4f6482a5d2540ec71f82/FLAG085fa1d2e [2022-07-12 14:51:03,160 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:51:03,161 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 [2022-07-12 14:51:03,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4970637c1/237524a6953b4f6482a5d2540ec71f82/FLAG085fa1d2e [2022-07-12 14:51:03,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4970637c1/237524a6953b4f6482a5d2540ec71f82 [2022-07-12 14:51:03,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:51:03,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:51:03,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:51:03,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:51:03,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:51:03,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:51:03" (1/1) ... [2022-07-12 14:51:03,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34831827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:03, skipping insertion in model container [2022-07-12 14:51:03,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:51:03" (1/1) ... [2022-07-12 14:51:03,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:51:03,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:51:06,909 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] [2022-07-12 14:51:06,912 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] [2022-07-12 14:51:06,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:51:06,933 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:51:07,247 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] [2022-07-12 14:51:07,248 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] [2022-07-12 14:51:07,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:51:07,374 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:51:07,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07 WrapperNode [2022-07-12 14:51:07,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:51:07,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:51:07,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:51:07,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:51:07,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,608 INFO L137 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2022-07-12 14:51:07,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:51:07,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:51:07,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:51:07,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:51:07,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:51:07,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:51:07,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:51:07,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:51:07,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (1/1) ... [2022-07-12 14:51:07,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:51:07,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:51:07,876 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) [2022-07-12 14:51:07,892 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 [2022-07-12 14:51:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-07-12 14:51:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-07-12 14:51:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 14:51:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-07-12 14:51:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-07-12 14:51:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-07-12 14:51:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-07-12 14:51:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-07-12 14:51:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-07-12 14:51:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:51:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:51:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 14:51:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 14:51:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:51:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:51:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 14:51:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 14:51:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-07-12 14:51:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-07-12 14:51:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-07-12 14:51:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-07-12 14:51:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:51:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:51:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-07-12 14:51:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-07-12 14:51:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-12 14:51:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-12 14:51:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-07-12 14:51:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-07-12 14:51:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-12 14:51:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-12 14:51:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-07-12 14:51:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-07-12 14:51:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:51:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-07-12 14:51:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:51:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-07-12 14:51:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:51:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-07-12 14:51:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-07-12 14:51:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-07-12 14:51:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-07-12 14:51:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2022-07-12 14:51:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2022-07-12 14:51:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:51:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:51:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-07-12 14:51:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-07-12 14:51:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:51:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:51:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:51:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-07-12 14:51:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-07-12 14:51:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-07-12 14:51:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-07-12 14:51:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:51:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:51:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:51:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-07-12 14:51:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-07-12 14:51:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-07-12 14:51:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-07-12 14:51:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-07-12 14:51:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-07-12 14:51:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:51:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-07-12 14:51:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-07-12 14:51:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 14:51:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 14:51:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-07-12 14:51:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-07-12 14:51:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:51:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:51:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-07-12 14:51:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-07-12 14:51:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:51:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:51:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 14:51:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 14:51:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-12 14:51:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-12 14:51:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-07-12 14:51:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-07-12 14:51:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:51:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:51:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:51:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:51:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:51:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-07-12 14:51:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-07-12 14:51:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-12 14:51:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-12 14:51:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-07-12 14:51:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-07-12 14:51:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 14:51:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 14:51:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:51:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-07-12 14:51:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-07-12 14:51:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-12 14:51:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-12 14:51:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:51:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:51:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:51:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-07-12 14:51:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-07-12 14:51:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-07-12 14:51:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-07-12 14:51:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:51:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:51:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-07-12 14:51:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-07-12 14:51:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:51:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:51:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:51:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:51:07,915 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 14:51:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 14:51:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:51:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:51:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-07-12 14:51:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-07-12 14:51:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-07-12 14:51:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-07-12 14:51:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:51:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:51:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-07-12 14:51:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:51:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:51:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:51:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:51:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-07-12 14:51:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-07-12 14:51:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-07-12 14:51:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-07-12 14:51:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-07-12 14:51:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-07-12 14:51:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-07-12 14:51:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-07-12 14:51:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-07-12 14:51:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-07-12 14:51:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-07-12 14:51:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-07-12 14:51:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-07-12 14:51:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-07-12 14:51:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-07-12 14:51:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-07-12 14:51:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-07-12 14:51:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-07-12 14:51:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-07-12 14:51:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-07-12 14:51:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-12 14:51:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-12 14:51:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-12 14:51:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-12 14:51:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-07-12 14:51:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-07-12 14:51:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-07-12 14:51:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-07-12 14:51:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-07-12 14:51:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-07-12 14:51:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:51:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:51:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 14:51:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 14:51:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-07-12 14:51:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-07-12 14:51:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-07-12 14:51:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-07-12 14:51:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:51:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:51:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:51:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-07-12 14:51:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-07-12 14:51:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-07-12 14:51:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-07-12 14:51:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-07-12 14:51:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-07-12 14:51:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-12 14:51:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-07-12 14:51:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-07-12 14:51:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-12 14:51:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-12 14:51:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 14:51:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 14:51:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 14:51:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 14:51:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-07-12 14:51:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-07-12 14:51:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:51:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:51:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-07-12 14:51:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-07-12 14:51:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 14:51:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 14:51:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-07-12 14:51:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-07-12 14:51:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-07-12 14:51:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-07-12 14:51:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 14:51:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 14:51:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-07-12 14:51:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-07-12 14:51:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-07-12 14:51:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-07-12 14:51:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-07-12 14:51:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-07-12 14:51:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:51:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:51:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:51:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-07-12 14:51:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-07-12 14:51:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-07-12 14:51:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:51:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:51:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-07-12 14:51:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-07-12 14:51:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-07-12 14:51:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:51:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:51:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-07-12 14:51:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-07-12 14:51:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 14:51:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 14:51:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-07-12 14:51:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-07-12 14:51:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:51:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:51:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-07-12 14:51:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-07-12 14:51:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:51:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:51:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-12 14:51:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-12 14:51:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-07-12 14:51:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-07-12 14:51:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-07-12 14:51:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-07-12 14:51:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-07-12 14:51:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-07-12 14:51:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:51:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:51:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:51:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-07-12 14:51:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-07-12 14:51:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:51:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:51:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-07-12 14:51:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-07-12 14:51:08,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:51:08,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:51:09,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:51:10,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:51:10,910 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:51:10,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:51:10,922 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:51:10,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:51:10 BoogieIcfgContainer [2022-07-12 14:51:10,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:51:10,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:51:10,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:51:10,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:51:10,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:51:03" (1/3) ... [2022-07-12 14:51:10,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fb3101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:51:10, skipping insertion in model container [2022-07-12 14:51:10,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:51:07" (2/3) ... [2022-07-12 14:51:10,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fb3101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:51:10, skipping insertion in model container [2022-07-12 14:51:10,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:51:10" (3/3) ... [2022-07-12 14:51:10,931 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-12 14:51:10,940 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:51:10,941 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:51:10,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:51:10,996 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@8fddb3d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e05fdf9 [2022-07-12 14:51:10,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:51:11,004 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) [2022-07-12 14:51:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-12 14:51:11,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:11,028 INFO L195 NwaCegarLoop]: 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] [2022-07-12 14:51:11,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2022-07-12 14:51:11,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:11,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636715244] [2022-07-12 14:51:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:11,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:51:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-12 14:51:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:12,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636715244] [2022-07-12 14:51:12,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636715244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:12,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:12,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:51:12,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873925483] [2022-07-12 14:51:12,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:12,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:51:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:51:12,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:51:12,137 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) [2022-07-12 14:51:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:16,365 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2022-07-12 14:51:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:51:16,367 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 [2022-07-12 14:51:16,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:16,400 INFO L225 Difference]: With dead ends: 6634 [2022-07-12 14:51:16,401 INFO L226 Difference]: Without dead ends: 4466 [2022-07-12 14:51:16,416 INFO L412 NwaCegarLoop]: 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 [2022-07-12 14:51:16,420 INFO L413 NwaCegarLoop]: 3279 mSDtfsCounter, 3945 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 1903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 6368 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1903 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:16,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 6368 Invalid, 4488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1903 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 14:51:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2022-07-12 14:51:16,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2022-07-12 14:51:16,649 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) [2022-07-12 14:51:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2022-07-12 14:51:16,674 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2022-07-12 14:51:16,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:16,676 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2022-07-12 14:51:16,676 INFO L496 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) [2022-07-12 14:51:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2022-07-12 14:51:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-12 14:51:16,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:16,684 INFO L195 NwaCegarLoop]: 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] [2022-07-12 14:51:16,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:51:16,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2022-07-12 14:51:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:16,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406200378] [2022-07-12 14:51:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 14:51:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-12 14:51:17,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:17,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406200378] [2022-07-12 14:51:17,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406200378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:17,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:17,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:51:17,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298599548] [2022-07-12 14:51:17,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:17,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:51:17,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:17,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:51:17,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:51:17,341 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) [2022-07-12 14:51:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:25,376 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2022-07-12 14:51:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 14:51:25,377 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 [2022-07-12 14:51:25,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:25,426 INFO L225 Difference]: With dead ends: 14791 [2022-07-12 14:51:25,426 INFO L226 Difference]: Without dead ends: 10786 [2022-07-12 14:51:25,440 INFO L412 NwaCegarLoop]: 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 [2022-07-12 14:51:25,441 INFO L413 NwaCegarLoop]: 4797 mSDtfsCounter, 7441 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 7970 mSolverCounterSat, 3594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8202 SdHoareTripleChecker+Valid, 11557 SdHoareTripleChecker+Invalid, 11564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3594 IncrementalHoareTripleChecker+Valid, 7970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:25,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8202 Valid, 11557 Invalid, 11564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3594 Valid, 7970 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-12 14:51:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2022-07-12 14:51:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2022-07-12 14:51:25,808 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) [2022-07-12 14:51:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2022-07-12 14:51:25,851 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2022-07-12 14:51:25,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:25,853 INFO L495 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2022-07-12 14:51:25,854 INFO L496 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) [2022-07-12 14:51:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2022-07-12 14:51:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-07-12 14:51:25,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:25,863 INFO L195 NwaCegarLoop]: 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] [2022-07-12 14:51:25,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:51:25,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:25,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:25,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2022-07-12 14:51:25,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:25,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680118186] [2022-07-12 14:51:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:25,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 14:51:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 14:51:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 14:51:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2022-07-12 14:51:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:26,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680118186] [2022-07-12 14:51:26,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680118186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:26,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:26,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:51:26,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537936170] [2022-07-12 14:51:26,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:26,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:51:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:51:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:51:26,387 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) [2022-07-12 14:51:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:29,207 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2022-07-12 14:51:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:51:29,207 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 [2022-07-12 14:51:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:29,273 INFO L225 Difference]: With dead ends: 21521 [2022-07-12 14:51:29,273 INFO L226 Difference]: Without dead ends: 11762 [2022-07-12 14:51:29,310 INFO L412 NwaCegarLoop]: 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 [2022-07-12 14:51:29,315 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 2223 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6031 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:29,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 6031 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 14:51:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2022-07-12 14:51:29,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2022-07-12 14:51:29,634 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) [2022-07-12 14:51:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2022-07-12 14:51:29,669 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2022-07-12 14:51:29,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:29,670 INFO L495 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2022-07-12 14:51:29,670 INFO L496 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) [2022-07-12 14:51:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2022-07-12 14:51:29,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-12 14:51:29,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:29,678 INFO L195 NwaCegarLoop]: 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] [2022-07-12 14:51:29,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:51:29,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:29,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2022-07-12 14:51:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:29,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53353283] [2022-07-12 14:51:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 14:51:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:51:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 14:51:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 14:51:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 14:51:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-07-12 14:51:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:30,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53353283] [2022-07-12 14:51:30,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53353283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:30,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:30,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:51:30,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768331658] [2022-07-12 14:51:30,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:30,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:51:30,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:30,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:51:30,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:51:30,330 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) [2022-07-12 14:51:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:39,197 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2022-07-12 14:51:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 14:51:39,198 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 [2022-07-12 14:51:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:39,323 INFO L225 Difference]: With dead ends: 43362 [2022-07-12 14:51:39,323 INFO L226 Difference]: Without dead ends: 32686 [2022-07-12 14:51:39,367 INFO L412 NwaCegarLoop]: 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 [2022-07-12 14:51:39,371 INFO L413 NwaCegarLoop]: 3550 mSDtfsCounter, 17094 mSDsluCounter, 5390 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 9266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17924 SdHoareTripleChecker+Valid, 8940 SdHoareTripleChecker+Invalid, 15457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9266 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:39,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17924 Valid, 8940 Invalid, 15457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9266 Valid, 6191 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-12 14:51:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2022-07-12 14:51:40,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2022-07-12 14:51:40,335 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) [2022-07-12 14:51:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2022-07-12 14:51:40,438 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2022-07-12 14:51:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:40,440 INFO L495 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2022-07-12 14:51:40,440 INFO L496 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) [2022-07-12 14:51:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2022-07-12 14:51:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-12 14:51:40,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:40,447 INFO L195 NwaCegarLoop]: 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] [2022-07-12 14:51:40,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:51:40,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2022-07-12 14:51:40,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:40,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516019096] [2022-07-12 14:51:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 14:51:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:51:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 14:51:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 14:51:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:51:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:51:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-07-12 14:51:40,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:40,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516019096] [2022-07-12 14:51:40,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516019096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:40,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:40,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:51:40,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438386185] [2022-07-12 14:51:40,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:40,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:51:40,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:40,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:51:40,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:51:40,937 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) [2022-07-12 14:51:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:44,856 INFO L93 Difference]: Finished difference Result 93098 states and 129880 transitions. [2022-07-12 14:51:44,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:51:44,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 459 [2022-07-12 14:51:44,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:45,137 INFO L225 Difference]: With dead ends: 93098 [2022-07-12 14:51:45,137 INFO L226 Difference]: Without dead ends: 63450 [2022-07-12 14:51:45,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:51:45,226 INFO L413 NwaCegarLoop]: 3274 mSDtfsCounter, 3954 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 1777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 6397 SdHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:45,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4397 Valid, 6397 Invalid, 4234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1777 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 14:51:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63450 states. [2022-07-12 14:51:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63450 to 57748. [2022-07-12 14:51:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57748 states, 38657 states have (on average 1.2826137568874978) internal successors, (49582), 40295 states have internal predecessors, (49582), 15028 states have call successors, (15028), 4062 states have call predecessors, (15028), 4062 states have return successors, (15028), 14070 states have call predecessors, (15028), 15028 states have call successors, (15028) [2022-07-12 14:51:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57748 states to 57748 states and 79638 transitions. [2022-07-12 14:51:47,468 INFO L78 Accepts]: Start accepts. Automaton has 57748 states and 79638 transitions. Word has length 459 [2022-07-12 14:51:47,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:47,470 INFO L495 AbstractCegarLoop]: Abstraction has 57748 states and 79638 transitions. [2022-07-12 14:51:47,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 14:51:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 57748 states and 79638 transitions. [2022-07-12 14:51:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-07-12 14:51:47,478 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:47,479 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:47,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:51:47,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:47,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998385, now seen corresponding path program 1 times [2022-07-12 14:51:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:47,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487230637] [2022-07-12 14:51:47,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:47,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:51:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:51:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:51:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:51:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:51:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:51:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:51:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:51:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:51:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:51:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:51:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:51:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:51:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:51:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:51:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:51:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:51:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:51:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:51:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:51:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:51:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:51:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:51:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:51:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-12 14:51:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:51:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 14:51:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 14:51:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 14:51:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 14:51:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 14:51:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2022-07-12 14:51:48,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:48,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487230637] [2022-07-12 14:51:48,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487230637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:48,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:48,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:51:48,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524382750] [2022-07-12 14:51:48,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:48,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:51:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:51:48,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:51:48,249 INFO L87 Difference]: Start difference. First operand 57748 states and 79638 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:51:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:54,365 INFO L93 Difference]: Finished difference Result 176556 states and 245986 transitions. [2022-07-12 14:51:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:51:54,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 465 [2022-07-12 14:51:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:55,243 INFO L225 Difference]: With dead ends: 176556 [2022-07-12 14:51:55,243 INFO L226 Difference]: Without dead ends: 118881 [2022-07-12 14:51:55,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:51:55,410 INFO L413 NwaCegarLoop]: 3623 mSDtfsCounter, 3738 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 1681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4181 SdHoareTripleChecker+Valid, 6795 SdHoareTripleChecker+Invalid, 4154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1681 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:55,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4181 Valid, 6795 Invalid, 4154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1681 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 14:51:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118881 states. [2022-07-12 14:51:59,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118881 to 108077. [2022-07-12 14:51:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108077 states, 72706 states have (on average 1.2817236541688444) internal successors, (93189), 75656 states have internal predecessors, (93189), 27821 states have call successors, (27821), 7549 states have call predecessors, (27821), 7549 states have return successors, (27821), 26155 states have call predecessors, (27821), 27821 states have call successors, (27821) [2022-07-12 14:51:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108077 states to 108077 states and 148831 transitions. [2022-07-12 14:51:59,669 INFO L78 Accepts]: Start accepts. Automaton has 108077 states and 148831 transitions. Word has length 465 [2022-07-12 14:51:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:59,670 INFO L495 AbstractCegarLoop]: Abstraction has 108077 states and 148831 transitions. [2022-07-12 14:51:59,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:51:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 108077 states and 148831 transitions. [2022-07-12 14:51:59,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-12 14:51:59,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:59,677 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:59,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:51:59,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:59,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:59,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1341911488, now seen corresponding path program 1 times [2022-07-12 14:51:59,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:59,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93199660] [2022-07-12 14:51:59,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:59,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:52:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:52:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:52:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:52:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:52:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:52:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:52:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:52:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:52:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:52:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:52:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:52:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:52:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:52:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:52:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:52:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:52:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:52:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:52:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:52:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:52:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:52:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:52:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:52:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:52:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:52:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:52:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:52:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:52:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:52:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 14:52:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:52:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 14:52:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:52:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:52:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:52:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-07-12 14:52:00,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:52:00,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93199660] [2022-07-12 14:52:00,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93199660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:52:00,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:52:00,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:52:00,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084957345] [2022-07-12 14:52:00,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:52:00,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:52:00,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:52:00,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:52:00,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:52:00,562 INFO L87 Difference]: Start difference. First operand 108077 states and 148831 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 14:52:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:52:09,766 INFO L93 Difference]: Finished difference Result 343099 states and 477871 transitions. [2022-07-12 14:52:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:52:09,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 470 [2022-07-12 14:52:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:52:11,433 INFO L225 Difference]: With dead ends: 343099 [2022-07-12 14:52:11,433 INFO L226 Difference]: Without dead ends: 235148 [2022-07-12 14:52:11,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:52:11,777 INFO L413 NwaCegarLoop]: 5522 mSDtfsCounter, 3187 mSDsluCounter, 4134 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 9656 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:52:11,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 9656 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 14:52:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235148 states. [2022-07-12 14:52:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235148 to 213566. [2022-07-12 14:52:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213566 states, 143724 states have (on average 1.2809899529654059) internal successors, (184109), 149372 states have internal predecessors, (184109), 54959 states have call successors, (54959), 14882 states have call predecessors, (54959), 14882 states have return successors, (54959), 51879 states have call predecessors, (54959), 54959 states have call successors, (54959) [2022-07-12 14:52:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213566 states to 213566 states and 294027 transitions. [2022-07-12 14:52:20,489 INFO L78 Accepts]: Start accepts. Automaton has 213566 states and 294027 transitions. Word has length 470 [2022-07-12 14:52:20,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:52:20,490 INFO L495 AbstractCegarLoop]: Abstraction has 213566 states and 294027 transitions. [2022-07-12 14:52:20,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 14:52:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 213566 states and 294027 transitions. [2022-07-12 14:52:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-12 14:52:20,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:52:20,495 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:52:20,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:52:20,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:52:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:52:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -465892482, now seen corresponding path program 1 times [2022-07-12 14:52:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:52:20,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377943200] [2022-07-12 14:52:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:52:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:52:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:52:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:52:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:52:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:52:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:52:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:52:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:52:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:52:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 14:52:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:52:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 14:52:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:52:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:52:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:52:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 14:52:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 14:52:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:52:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:52:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 14:52:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:52:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:52:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 14:52:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 14:52:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:52:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 14:52:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 14:52:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 14:52:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:52:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 14:52:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:52:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:52:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:52:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:52:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:52:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:52:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 14:52:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:52:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 14:52:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:52:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:52:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:52:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-07-12 14:52:21,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:52:21,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377943200] [2022-07-12 14:52:21,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377943200] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:52:21,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:52:21,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:52:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119088935] [2022-07-12 14:52:21,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:52:21,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:52:21,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:52:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:52:21,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:52:21,365 INFO L87 Difference]: Start difference. First operand 213566 states and 294027 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)