./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:38:17,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:38:17,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:38:17,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:38:17,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:38:17,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:38:17,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:38:17,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:38:17,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:38:17,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:38:17,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:38:17,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:38:17,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:38:17,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:38:17,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:38:17,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:38:17,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:38:17,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:38:17,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:38:17,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:38:17,265 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:38:17,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:38:17,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:38:17,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:38:17,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:38:17,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:38:17,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:38:17,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:38:17,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:38:17,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:38:17,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:38:17,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:38:17,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:38:17,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:38:17,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:38:17,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:38:17,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:38:17,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:38:17,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:38:17,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:38:17,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:38:17,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:38:17,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:38:17,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:38:17,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:38:17,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:38:17,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:38:17,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:38:17,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:38:17,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:38:17,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:38:17,313 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:38:17,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:38:17,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:38:17,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:38:17,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:38:17,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:38:17,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:38:17,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:38:17,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:38:17,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:38:17,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:38:17,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:38:17,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:38:17,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:38:17,318 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:38:17,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:38:17,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:38:17,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-07-19 23:38:17,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:38:17,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:38:17,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:38:17,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:38:17,488 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:38:17,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-07-19 23:38:17,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4879236f/1f7b0e9343ed402d82fc8b1731f31ab1/FLAG561bb0451 [2022-07-19 23:38:18,199 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:38:18,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-07-19 23:38:18,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4879236f/1f7b0e9343ed402d82fc8b1731f31ab1/FLAG561bb0451 [2022-07-19 23:38:18,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4879236f/1f7b0e9343ed402d82fc8b1731f31ab1 [2022-07-19 23:38:18,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:38:18,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:38:18,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:38:18,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:38:18,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:38:18,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:38:18" (1/1) ... [2022-07-19 23:38:18,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201b354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:18, skipping insertion in model container [2022-07-19 23:38:18,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:38:18" (1/1) ... [2022-07-19 23:38:18,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:38:18,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:38:19,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-07-19 23:38:20,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:38:20,536 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:38:20,618 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-07-19 23:38:20,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:38:21,073 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:38:21,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21 WrapperNode [2022-07-19 23:38:21,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:38:21,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:38:21,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:38:21,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:38:21,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,333 INFO L137 Inliner]: procedures = 449, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6390 [2022-07-19 23:38:21,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:38:21,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:38:21,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:38:21,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:38:21,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:38:21,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:38:21,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:38:21,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:38:21,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (1/1) ... [2022-07-19 23:38:21,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:38:21,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:38:21,616 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) [2022-07-19 23:38:21,624 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 [2022-07-19 23:38:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-19 23:38:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-19 23:38:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-07-19 23:38:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-07-19 23:38:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-07-19 23:38:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-07-19 23:38:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-07-19 23:38:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-07-19 23:38:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-07-19 23:38:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-07-19 23:38:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-07-19 23:38:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-07-19 23:38:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 23:38:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 23:38:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:38:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:38:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-07-19 23:38:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-07-19 23:38:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-07-19 23:38:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-07-19 23:38:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-07-19 23:38:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-07-19 23:38:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-19 23:38:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-19 23:38:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-07-19 23:38:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-07-19 23:38:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-19 23:38:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-19 23:38:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-19 23:38:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-19 23:38:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-19 23:38:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-19 23:38:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-07-19 23:38:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-07-19 23:38:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-07-19 23:38:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-07-19 23:38:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-07-19 23:38:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-07-19 23:38:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-07-19 23:38:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-07-19 23:38:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-07-19 23:38:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-07-19 23:38:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-19 23:38:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-19 23:38:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:38:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:38:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-07-19 23:38:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-07-19 23:38:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-19 23:38:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-19 23:38:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-07-19 23:38:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-07-19 23:38:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-07-19 23:38:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-07-19 23:38:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-07-19 23:38:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-07-19 23:38:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-07-19 23:38:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-07-19 23:38:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-07-19 23:38:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-07-19 23:38:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-07-19 23:38:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-07-19 23:38:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:38:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-07-19 23:38:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-07-19 23:38:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-07-19 23:38:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-07-19 23:38:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-07-19 23:38:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-07-19 23:38:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-07-19 23:38:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-07-19 23:38:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-07-19 23:38:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-07-19 23:38:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 23:38:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 23:38:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-07-19 23:38:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-07-19 23:38:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:38:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:38:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-07-19 23:38:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-07-19 23:38:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-07-19 23:38:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-07-19 23:38:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-07-19 23:38:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-07-19 23:38:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:38:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:38:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-07-19 23:38:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-07-19 23:38:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:38:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-07-19 23:38:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-07-19 23:38:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-07-19 23:38:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-07-19 23:38:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-07-19 23:38:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-07-19 23:38:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-07-19 23:38:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-07-19 23:38:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-07-19 23:38:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-07-19 23:38:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:38:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-07-19 23:38:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-07-19 23:38:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-07-19 23:38:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-07-19 23:38:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:38:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-07-19 23:38:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-07-19 23:38:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-07-19 23:38:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-07-19 23:38:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:38:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:38:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-07-19 23:38:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-07-19 23:38:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-07-19 23:38:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-07-19 23:38:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-07-19 23:38:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-07-19 23:38:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-19 23:38:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-19 23:38:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-07-19 23:38:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-07-19 23:38:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-19 23:38:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-19 23:38:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-19 23:38:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-19 23:38:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-07-19 23:38:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-07-19 23:38:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-07-19 23:38:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-07-19 23:38:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-07-19 23:38:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-07-19 23:38:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-07-19 23:38:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-07-19 23:38:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-07-19 23:38:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-19 23:38:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-19 23:38:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:38:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-07-19 23:38:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-19 23:38:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-07-19 23:38:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:38:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:38:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-07-19 23:38:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-07-19 23:38:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:38:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:38:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-07-19 23:38:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-07-19 23:38:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-07-19 23:38:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-07-19 23:38:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-07-19 23:38:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-07-19 23:38:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-07-19 23:38:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-07-19 23:38:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-19 23:38:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-19 23:38:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-07-19 23:38:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-07-19 23:38:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:38:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:38:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-07-19 23:38:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-07-19 23:38:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-19 23:38:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-19 23:38:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-07-19 23:38:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-07-19 23:38:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-07-19 23:38:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-07-19 23:38:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-19 23:38:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-19 23:38:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-19 23:38:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-19 23:38:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:38:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:38:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-07-19 23:38:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-07-19 23:38:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-07-19 23:38:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-07-19 23:38:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-07-19 23:38:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-07-19 23:38:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-07-19 23:38:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:38:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:38:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-19 23:38:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-19 23:38:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-07-19 23:38:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-07-19 23:38:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:38:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:38:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-07-19 23:38:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-07-19 23:38:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-07-19 23:38:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-07-19 23:38:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-07-19 23:38:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-07-19 23:38:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-07-19 23:38:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-07-19 23:38:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-19 23:38:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-07-19 23:38:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-07-19 23:38:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-07-19 23:38:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-07-19 23:38:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-19 23:38:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-19 23:38:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-07-19 23:38:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-07-19 23:38:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-07-19 23:38:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-07-19 23:38:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-19 23:38:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-19 23:38:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-07-19 23:38:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-07-19 23:38:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:38:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:38:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:38:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:38:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-07-19 23:38:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-07-19 23:38:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-07-19 23:38:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-07-19 23:38:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-07-19 23:38:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-07-19 23:38:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:38:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:38:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-07-19 23:38:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-07-19 23:38:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:38:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:38:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-07-19 23:38:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-07-19 23:38:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-07-19 23:38:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-07-19 23:38:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-07-19 23:38:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-07-19 23:38:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:38:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:38:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:38:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-07-19 23:38:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-07-19 23:38:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-19 23:38:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-19 23:38:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-07-19 23:38:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-07-19 23:38:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:38:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:38:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:38:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:38:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:38:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-19 23:38:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-19 23:38:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-07-19 23:38:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-07-19 23:38:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-07-19 23:38:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-07-19 23:38:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:38:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-07-19 23:38:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-07-19 23:38:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-07-19 23:38:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-07-19 23:38:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-19 23:38:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-19 23:38:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:38:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:38:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 23:38:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 23:38:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:38:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:38:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-19 23:38:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-19 23:38:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-07-19 23:38:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-07-19 23:38:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-07-19 23:38:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-07-19 23:38:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:38:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:38:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-07-19 23:38:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-07-19 23:38:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:38:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:38:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-07-19 23:38:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-07-19 23:38:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-07-19 23:38:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-07-19 23:38:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-07-19 23:38:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-07-19 23:38:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-07-19 23:38:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-07-19 23:38:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-07-19 23:38:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-07-19 23:38:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:38:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:38:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-07-19 23:38:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-07-19 23:38:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-07-19 23:38:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-07-19 23:38:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:38:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:38:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-19 23:38:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-19 23:38:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-07-19 23:38:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-07-19 23:38:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:38:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:38:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-07-19 23:38:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-07-19 23:38:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:38:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-07-19 23:38:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-07-19 23:38:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-07-19 23:38:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-07-19 23:38:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:38:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:38:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-07-19 23:38:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-07-19 23:38:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-07-19 23:38:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-07-19 23:38:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-07-19 23:38:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-07-19 23:38:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-07-19 23:38:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-07-19 23:38:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-07-19 23:38:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-07-19 23:38:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-07-19 23:38:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-07-19 23:38:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-07-19 23:38:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-07-19 23:38:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-07-19 23:38:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-07-19 23:38:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-07-19 23:38:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-07-19 23:38:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-19 23:38:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-07-19 23:38:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 23:38:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-07-19 23:38:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-07-19 23:38:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-07-19 23:38:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-07-19 23:38:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-07-19 23:38:22,509 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:38:22,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:38:22,711 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:38:25,778 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:38:25,791 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:38:25,791 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 23:38:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:38:25 BoogieIcfgContainer [2022-07-19 23:38:25,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:38:25,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:38:25,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:38:25,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:38:25,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:38:18" (1/3) ... [2022-07-19 23:38:25,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a62c953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:38:25, skipping insertion in model container [2022-07-19 23:38:25,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:38:21" (2/3) ... [2022-07-19 23:38:25,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a62c953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:38:25, skipping insertion in model container [2022-07-19 23:38:25,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:38:25" (3/3) ... [2022-07-19 23:38:25,799 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-07-19 23:38:25,807 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:38:25,808 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:38:25,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:38:25,864 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@39fc12a9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ec3ca54 [2022-07-19 23:38:25,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:38:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 2836 states, 2035 states have (on average 1.3901719901719902) internal successors, (2829), 2085 states have internal predecessors, (2829), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-07-19 23:38:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 23:38:25,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:38:25,887 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:38:25,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:38:25,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:38:25,891 INFO L85 PathProgramCache]: Analyzing trace with hash -888259913, now seen corresponding path program 1 times [2022-07-19 23:38:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:38:25,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926636955] [2022-07-19 23:38:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:38:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:38:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:38:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:38:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:38:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:38:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:38:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:38:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:38:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:38:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:38:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:38:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:38:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:38:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:38:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:38:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 23:38:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 23:38:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-07-19 23:38:26,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:38:26,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926636955] [2022-07-19 23:38:26,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926636955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:38:26,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:38:26,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:38:26,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937278304] [2022-07-19 23:38:26,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:38:26,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:38:26,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:38:26,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:38:26,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:38:26,642 INFO L87 Difference]: Start difference. First operand has 2836 states, 2035 states have (on average 1.3901719901719902) internal successors, (2829), 2085 states have internal predecessors, (2829), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-19 23:38:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:38:35,761 INFO L93 Difference]: Finished difference Result 9357 states and 13839 transitions. [2022-07-19 23:38:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:38:35,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-07-19 23:38:35,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:38:35,827 INFO L225 Difference]: With dead ends: 9357 [2022-07-19 23:38:35,828 INFO L226 Difference]: Without dead ends: 6496 [2022-07-19 23:38:35,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:38:35,856 INFO L413 NwaCegarLoop]: 4052 mSDtfsCounter, 9090 mSDsluCounter, 5671 mSDsCounter, 0 mSdLazyCounter, 4868 mSolverCounterSat, 4278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9444 SdHoareTripleChecker+Valid, 9723 SdHoareTripleChecker+Invalid, 9146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4278 IncrementalHoareTripleChecker+Valid, 4868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:38:35,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9444 Valid, 9723 Invalid, 9146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4278 Valid, 4868 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-19 23:38:35,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6496 states. [2022-07-19 23:38:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6496 to 5566. [2022-07-19 23:38:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 4005 states have (on average 1.3767790262172284) internal successors, (5514), 4088 states have internal predecessors, (5514), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-07-19 23:38:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 7889 transitions. [2022-07-19 23:38:36,173 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 7889 transitions. Word has length 112 [2022-07-19 23:38:36,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:38:36,174 INFO L495 AbstractCegarLoop]: Abstraction has 5566 states and 7889 transitions. [2022-07-19 23:38:36,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-19 23:38:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 7889 transitions. [2022-07-19 23:38:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-19 23:38:36,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:38:36,182 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:38:36,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:38:36,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:38:36,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:38:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1587629281, now seen corresponding path program 1 times [2022-07-19 23:38:36,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:38:36,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715445113] [2022-07-19 23:38:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:38:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:38:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:38:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:38:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:38:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:38:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:38:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:38:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:38:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:38:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:38:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:38:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:38:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:38:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:38:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:38:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:38:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-07-19 23:38:36,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:38:36,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715445113] [2022-07-19 23:38:36,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715445113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:38:36,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:38:36,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:38:36,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717885145] [2022-07-19 23:38:36,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:38:36,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:38:36,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:38:36,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:38:36,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:38:36,570 INFO L87 Difference]: Start difference. First operand 5566 states and 7889 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-19 23:38:47,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:38:47,833 INFO L93 Difference]: Finished difference Result 18477 states and 26947 transitions. [2022-07-19 23:38:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:38:47,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2022-07-19 23:38:47,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:38:47,930 INFO L225 Difference]: With dead ends: 18477 [2022-07-19 23:38:47,930 INFO L226 Difference]: Without dead ends: 12928 [2022-07-19 23:38:47,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:38:47,952 INFO L413 NwaCegarLoop]: 4348 mSDtfsCounter, 8934 mSDsluCounter, 12060 mSDsCounter, 0 mSdLazyCounter, 9262 mSolverCounterSat, 4140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9278 SdHoareTripleChecker+Valid, 16408 SdHoareTripleChecker+Invalid, 13402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4140 IncrementalHoareTripleChecker+Valid, 9262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:38:47,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9278 Valid, 16408 Invalid, 13402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4140 Valid, 9262 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-19 23:38:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12928 states. [2022-07-19 23:38:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12928 to 11400. [2022-07-19 23:38:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11400 states, 8190 states have (on average 1.375091575091575) internal successors, (11262), 8376 states have internal predecessors, (11262), 2419 states have call successors, (2419), 743 states have call predecessors, (2419), 790 states have return successors, (2673), 2398 states have call predecessors, (2673), 2418 states have call successors, (2673) [2022-07-19 23:38:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11400 states to 11400 states and 16354 transitions. [2022-07-19 23:38:48,303 INFO L78 Accepts]: Start accepts. Automaton has 11400 states and 16354 transitions. Word has length 111 [2022-07-19 23:38:48,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:38:48,304 INFO L495 AbstractCegarLoop]: Abstraction has 11400 states and 16354 transitions. [2022-07-19 23:38:48,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-19 23:38:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 11400 states and 16354 transitions. [2022-07-19 23:38:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-19 23:38:48,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:38:48,328 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:38:48,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:38:48,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:38:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:38:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1300939988, now seen corresponding path program 1 times [2022-07-19 23:38:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:38:48,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233569762] [2022-07-19 23:38:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:38:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:38:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:38:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:38:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:38:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:38:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:38:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:38:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:38:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:38:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:38:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:38:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:38:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:38:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:38:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:38:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 23:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 23:38:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:38:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:38:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:38:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:38:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:38:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:38:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:38:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 23:38:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-19 23:38:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-07-19 23:38:48,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:38:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233569762] [2022-07-19 23:38:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233569762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:38:48,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:38:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:38:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213333962] [2022-07-19 23:38:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:38:48,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:38:48,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:38:48,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:38:48,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:38:48,900 INFO L87 Difference]: Start difference. First operand 11400 states and 16354 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-19 23:38:57,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:38:57,835 INFO L93 Difference]: Finished difference Result 36994 states and 53778 transitions. [2022-07-19 23:38:57,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:38:57,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 238 [2022-07-19 23:38:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:38:58,007 INFO L225 Difference]: With dead ends: 36994 [2022-07-19 23:38:58,008 INFO L226 Difference]: Without dead ends: 25626 [2022-07-19 23:38:58,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:38:58,050 INFO L413 NwaCegarLoop]: 3970 mSDtfsCounter, 11710 mSDsluCounter, 5513 mSDsCounter, 0 mSdLazyCounter, 4883 mSolverCounterSat, 5847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12221 SdHoareTripleChecker+Valid, 9483 SdHoareTripleChecker+Invalid, 10730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5847 IncrementalHoareTripleChecker+Valid, 4883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:38:58,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12221 Valid, 9483 Invalid, 10730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5847 Valid, 4883 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-07-19 23:38:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25626 states. [2022-07-19 23:38:58,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25626 to 22902. [2022-07-19 23:38:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22902 states, 16466 states have (on average 1.3721608162273777) internal successors, (22594), 16824 states have internal predecessors, (22594), 4787 states have call successors, (4787), 1479 states have call predecessors, (4787), 1648 states have return successors, (5493), 4828 states have call predecessors, (5493), 4786 states have call successors, (5493) [2022-07-19 23:38:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22902 states to 22902 states and 32874 transitions. [2022-07-19 23:38:58,802 INFO L78 Accepts]: Start accepts. Automaton has 22902 states and 32874 transitions. Word has length 238 [2022-07-19 23:38:58,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:38:58,803 INFO L495 AbstractCegarLoop]: Abstraction has 22902 states and 32874 transitions. [2022-07-19 23:38:58,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-19 23:38:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 22902 states and 32874 transitions. [2022-07-19 23:38:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-19 23:38:58,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:38:58,842 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:38:58,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:38:58,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:38:58,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:38:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2067360435, now seen corresponding path program 1 times [2022-07-19 23:38:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:38:58,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689126264] [2022-07-19 23:38:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:38:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:38:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:38:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:38:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:38:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:38:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:38:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:38:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:38:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:38:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:38:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:38:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:38:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:38:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:38:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:38:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 23:38:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:38:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:38:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:38:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:38:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:38:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:38:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:38:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:38:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:38:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:38:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:38:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:38:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 23:38:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 23:38:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-19 23:38:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-19 23:38:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:38:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-07-19 23:38:59,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:38:59,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689126264] [2022-07-19 23:38:59,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689126264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:38:59,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:38:59,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 23:38:59,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839838583] [2022-07-19 23:38:59,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:38:59,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 23:38:59,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:38:59,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 23:38:59,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:38:59,392 INFO L87 Difference]: Start difference. First operand 22902 states and 32874 transitions. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-19 23:39:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:39:14,042 INFO L93 Difference]: Finished difference Result 62109 states and 91671 transitions. [2022-07-19 23:39:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 23:39:14,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 258 [2022-07-19 23:39:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:39:14,208 INFO L225 Difference]: With dead ends: 62109 [2022-07-19 23:39:14,208 INFO L226 Difference]: Without dead ends: 39239 [2022-07-19 23:39:14,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2022-07-19 23:39:14,474 INFO L413 NwaCegarLoop]: 5499 mSDtfsCounter, 7191 mSDsluCounter, 11850 mSDsCounter, 0 mSdLazyCounter, 11838 mSolverCounterSat, 3885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7751 SdHoareTripleChecker+Valid, 17349 SdHoareTripleChecker+Invalid, 15723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3885 IncrementalHoareTripleChecker+Valid, 11838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:39:14,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7751 Valid, 17349 Invalid, 15723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3885 Valid, 11838 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-07-19 23:39:14,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39239 states. [2022-07-19 23:39:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39239 to 32846. [2022-07-19 23:39:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32846 states, 23431 states have (on average 1.3534206820024755) internal successors, (31712), 23975 states have internal predecessors, (31712), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2485 states have return successors, (8009), 7004 states have call predecessors, (8009), 6928 states have call successors, (8009) [2022-07-19 23:39:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32846 states to 32846 states and 46650 transitions. [2022-07-19 23:39:15,970 INFO L78 Accepts]: Start accepts. Automaton has 32846 states and 46650 transitions. Word has length 258 [2022-07-19 23:39:15,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:39:15,972 INFO L495 AbstractCegarLoop]: Abstraction has 32846 states and 46650 transitions. [2022-07-19 23:39:15,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-19 23:39:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32846 states and 46650 transitions. [2022-07-19 23:39:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-19 23:39:16,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:39:16,031 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:39:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:39:16,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:39:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:39:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1792060670, now seen corresponding path program 1 times [2022-07-19 23:39:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:39:16,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422800104] [2022-07-19 23:39:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:39:16,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:39:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:39:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:39:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:39:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:39:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:39:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:39:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:39:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:39:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:39:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:39:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:39:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:39:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:39:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:39:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:39:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:39:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:39:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:39:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:39:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:39:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:39:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-19 23:39:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-19 23:39:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:39:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:39:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:39:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 23:39:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-19 23:39:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-19 23:39:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-19 23:39:16,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:39:16,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422800104] [2022-07-19 23:39:16,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422800104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:39:16,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:39:16,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:39:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180239228] [2022-07-19 23:39:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:39:16,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:39:16,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:39:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:39:16,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:39:16,858 INFO L87 Difference]: Start difference. First operand 32846 states and 46650 transitions. Second operand has 8 states, 8 states have (on average 19.5) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-19 23:39:27,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:39:27,174 INFO L93 Difference]: Finished difference Result 69687 states and 101376 transitions. [2022-07-19 23:39:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:39:27,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.5) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 291 [2022-07-19 23:39:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:39:27,462 INFO L225 Difference]: With dead ends: 69687 [2022-07-19 23:39:27,463 INFO L226 Difference]: Without dead ends: 36877 [2022-07-19 23:39:27,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:39:27,758 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 2621 mSDsluCounter, 10200 mSDsCounter, 0 mSdLazyCounter, 7066 mSolverCounterSat, 1659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 13745 SdHoareTripleChecker+Invalid, 8725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 7066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:39:27,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 13745 Invalid, 8725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1659 Valid, 7066 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-19 23:39:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36877 states. [2022-07-19 23:39:28,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36877 to 32846. [2022-07-19 23:39:28,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32846 states, 23419 states have (on average 1.3525769674196166) internal successors, (31676), 23969 states have internal predecessors, (31676), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2497 states have return successors, (8034), 7010 states have call predecessors, (8034), 6928 states have call successors, (8034) [2022-07-19 23:39:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32846 states to 32846 states and 46639 transitions. [2022-07-19 23:39:29,076 INFO L78 Accepts]: Start accepts. Automaton has 32846 states and 46639 transitions. Word has length 291 [2022-07-19 23:39:29,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:39:29,077 INFO L495 AbstractCegarLoop]: Abstraction has 32846 states and 46639 transitions. [2022-07-19 23:39:29,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.5) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (40), 5 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-19 23:39:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 32846 states and 46639 transitions. [2022-07-19 23:39:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-19 23:39:29,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:39:29,128 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:39:29,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:39:29,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:39:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:39:29,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1797197136, now seen corresponding path program 1 times [2022-07-19 23:39:29,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:39:29,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487796927] [2022-07-19 23:39:29,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:39:29,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:39:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:39:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:39:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:39:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:39:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:39:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:39:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:39:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:39:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:39:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:39:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:39:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:39:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:39:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:39:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:39:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:39:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:39:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:39:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:39:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:39:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:39:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-19 23:39:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-19 23:39:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-19 23:39:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:39:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:39:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:39:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 23:39:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 23:39:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-19 23:39:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 23:39:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-07-19 23:39:30,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:39:30,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487796927] [2022-07-19 23:39:30,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487796927] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:39:30,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:39:30,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-19 23:39:30,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640625170] [2022-07-19 23:39:30,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:39:30,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-19 23:39:30,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:39:30,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-19 23:39:30,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-07-19 23:39:30,333 INFO L87 Difference]: Start difference. First operand 32846 states and 46639 transitions. Second operand has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 10 states have internal predecessors, (167), 3 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-19 23:39:46,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:39:46,019 INFO L93 Difference]: Finished difference Result 69711 states and 101335 transitions. [2022-07-19 23:39:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-19 23:39:46,020 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 10 states have internal predecessors, (167), 3 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) Word has length 310 [2022-07-19 23:39:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:39:46,161 INFO L225 Difference]: With dead ends: 69711 [2022-07-19 23:39:46,161 INFO L226 Difference]: Without dead ends: 36901 [2022-07-19 23:39:46,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2022-07-19 23:39:46,248 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 3812 mSDsluCounter, 29609 mSDsCounter, 0 mSdLazyCounter, 20202 mSolverCounterSat, 2536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 33141 SdHoareTripleChecker+Invalid, 22738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2536 IncrementalHoareTripleChecker+Valid, 20202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:39:46,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4012 Valid, 33141 Invalid, 22738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2536 Valid, 20202 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-07-19 23:39:46,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36901 states. [2022-07-19 23:39:47,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36901 to 32894. [2022-07-19 23:39:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32894 states, 23455 states have (on average 1.351268386271584) internal successors, (31694), 24005 states have internal predecessors, (31694), 6935 states have call successors, (6935), 2212 states have call predecessors, (6935), 2503 states have return successors, (8058), 7022 states have call predecessors, (8058), 6934 states have call successors, (8058) [2022-07-19 23:39:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32894 states to 32894 states and 46687 transitions. [2022-07-19 23:39:47,880 INFO L78 Accepts]: Start accepts. Automaton has 32894 states and 46687 transitions. Word has length 310 [2022-07-19 23:39:47,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:39:47,881 INFO L495 AbstractCegarLoop]: Abstraction has 32894 states and 46687 transitions. [2022-07-19 23:39:47,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.133333333333333) internal successors, (167), 10 states have internal predecessors, (167), 3 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-19 23:39:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32894 states and 46687 transitions. [2022-07-19 23:39:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-07-19 23:39:47,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:39:47,928 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:39:47,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:39:47,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:39:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:39:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash -193218793, now seen corresponding path program 1 times [2022-07-19 23:39:47,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:39:47,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321591475] [2022-07-19 23:39:47,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:39:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:39:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:39:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:39:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:39:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:39:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:39:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:39:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:39:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:39:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:39:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:39:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:39:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:39:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:39:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:39:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:39:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:39:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:39:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:39:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:39:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:39:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:39:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-19 23:39:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:39:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:39:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:39:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:39:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:39:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:39:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:39:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 23:39:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-19 23:39:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-19 23:39:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:39:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-07-19 23:39:48,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:39:48,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321591475] [2022-07-19 23:39:48,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321591475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:39:48,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:39:48,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-19 23:39:48,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624414477] [2022-07-19 23:39:48,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:39:48,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-19 23:39:48,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:39:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-19 23:39:48,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:39:48,740 INFO L87 Difference]: Start difference. First operand 32894 states and 46687 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 7 states have internal predecessors, (158), 2 states have call successors, (40), 6 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-19 23:40:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:01,146 INFO L93 Difference]: Finished difference Result 72465 states and 106393 transitions. [2022-07-19 23:40:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-19 23:40:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 7 states have internal predecessors, (158), 2 states have call successors, (40), 6 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 294 [2022-07-19 23:40:01,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:01,301 INFO L225 Difference]: With dead ends: 72465 [2022-07-19 23:40:01,301 INFO L226 Difference]: Without dead ends: 39607 [2022-07-19 23:40:01,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:40:01,381 INFO L413 NwaCegarLoop]: 3580 mSDtfsCounter, 5303 mSDsluCounter, 19508 mSDsCounter, 0 mSdLazyCounter, 15524 mSolverCounterSat, 3638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5576 SdHoareTripleChecker+Valid, 23088 SdHoareTripleChecker+Invalid, 19162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3638 IncrementalHoareTripleChecker+Valid, 15524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:01,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5576 Valid, 23088 Invalid, 19162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3638 Valid, 15524 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-19 23:40:01,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39607 states. [2022-07-19 23:40:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39607 to 33080. [2022-07-19 23:40:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33080 states, 23587 states have (on average 1.3493025819307245) internal successors, (31826), 24137 states have internal predecessors, (31826), 6959 states have call successors, (6959), 2212 states have call predecessors, (6959), 2533 states have return successors, (8220), 7076 states have call predecessors, (8220), 6958 states have call successors, (8220) [2022-07-19 23:40:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33080 states to 33080 states and 47005 transitions. [2022-07-19 23:40:02,744 INFO L78 Accepts]: Start accepts. Automaton has 33080 states and 47005 transitions. Word has length 294 [2022-07-19 23:40:02,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:02,745 INFO L495 AbstractCegarLoop]: Abstraction has 33080 states and 47005 transitions. [2022-07-19 23:40:02,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 7 states have internal predecessors, (158), 2 states have call successors, (40), 6 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-19 23:40:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 33080 states and 47005 transitions. [2022-07-19 23:40:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-19 23:40:02,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:02,791 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:02,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:40:02,792 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:02,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:02,792 INFO L85 PathProgramCache]: Analyzing trace with hash 968681977, now seen corresponding path program 1 times [2022-07-19 23:40:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:02,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821423739] [2022-07-19 23:40:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:40:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:40:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:40:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:40:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:40:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:40:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:40:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:40:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:40:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-19 23:40:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-19 23:40:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:40:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:40:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 23:40:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-19 23:40:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-19 23:40:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-07-19 23:40:03,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:03,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821423739] [2022-07-19 23:40:03,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821423739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:03,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:40:03,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 23:40:03,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696531761] [2022-07-19 23:40:03,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:03,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:40:03,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:03,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:40:03,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:40:03,780 INFO L87 Difference]: Start difference. First operand 33080 states and 47005 transitions. Second operand has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 7 states have internal predecessors, (164), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) [2022-07-19 23:40:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:13,595 INFO L93 Difference]: Finished difference Result 72731 states and 105335 transitions. [2022-07-19 23:40:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 23:40:13,599 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 7 states have internal predecessors, (164), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) Word has length 304 [2022-07-19 23:40:13,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:13,785 INFO L225 Difference]: With dead ends: 72731 [2022-07-19 23:40:13,785 INFO L226 Difference]: Without dead ends: 39687 [2022-07-19 23:40:13,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-07-19 23:40:13,877 INFO L413 NwaCegarLoop]: 3501 mSDtfsCounter, 4219 mSDsluCounter, 13360 mSDsCounter, 0 mSdLazyCounter, 10666 mSolverCounterSat, 2836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 16861 SdHoareTripleChecker+Invalid, 13502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2836 IncrementalHoareTripleChecker+Valid, 10666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:13,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 16861 Invalid, 13502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2836 Valid, 10666 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-19 23:40:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39687 states. [2022-07-19 23:40:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39687 to 33448. [2022-07-19 23:40:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33448 states, 23855 states have (on average 1.3472228044435128) internal successors, (32138), 24401 states have internal predecessors, (32138), 7031 states have call successors, (7031), 2232 states have call predecessors, (7031), 2561 states have return successors, (8378), 7160 states have call predecessors, (8378), 7030 states have call successors, (8378) [2022-07-19 23:40:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33448 states to 33448 states and 47547 transitions. [2022-07-19 23:40:15,237 INFO L78 Accepts]: Start accepts. Automaton has 33448 states and 47547 transitions. Word has length 304 [2022-07-19 23:40:15,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:15,240 INFO L495 AbstractCegarLoop]: Abstraction has 33448 states and 47547 transitions. [2022-07-19 23:40:15,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 7 states have internal predecessors, (164), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) [2022-07-19 23:40:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 33448 states and 47547 transitions. [2022-07-19 23:40:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-19 23:40:15,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:15,340 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:15,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:40:15,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash 379702621, now seen corresponding path program 1 times [2022-07-19 23:40:15,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:15,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2667850] [2022-07-19 23:40:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:40:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:40:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:40:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:40:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:40:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:40:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:40:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:40:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:40:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-19 23:40:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:40:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:40:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-19 23:40:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-19 23:40:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-07-19 23:40:15,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:15,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2667850] [2022-07-19 23:40:15,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2667850] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:40:15,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087665924] [2022-07-19 23:40:15,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:15,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:16,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:40:16,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 23:40:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:17,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 23:40:17,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:40:17,411 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-19 23:40:17,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:40:17,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087665924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:17,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:40:17,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-07-19 23:40:17,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037199822] [2022-07-19 23:40:17,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:17,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:40:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:40:17,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:40:17,413 INFO L87 Difference]: Start difference. First operand 33448 states and 47547 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-19 23:40:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:18,747 INFO L93 Difference]: Finished difference Result 67177 states and 95436 transitions. [2022-07-19 23:40:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:40:18,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 296 [2022-07-19 23:40:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:19,087 INFO L225 Difference]: With dead ends: 67177 [2022-07-19 23:40:19,088 INFO L226 Difference]: Without dead ends: 33681 [2022-07-19 23:40:19,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:40:19,148 INFO L413 NwaCegarLoop]: 7710 mSDtfsCounter, 3839 mSDsluCounter, 19295 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3840 SdHoareTripleChecker+Valid, 27005 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:19,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3840 Valid, 27005 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:40:19,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33681 states. [2022-07-19 23:40:20,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33681 to 33387. [2022-07-19 23:40:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33387 states, 23822 states have (on average 1.3473679791789102) internal successors, (32097), 24361 states have internal predecessors, (32097), 7017 states have call successors, (7017), 2218 states have call predecessors, (7017), 2547 states have return successors, (8364), 7146 states have call predecessors, (8364), 7016 states have call successors, (8364) [2022-07-19 23:40:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33387 states to 33387 states and 47478 transitions. [2022-07-19 23:40:20,282 INFO L78 Accepts]: Start accepts. Automaton has 33387 states and 47478 transitions. Word has length 296 [2022-07-19 23:40:20,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:20,283 INFO L495 AbstractCegarLoop]: Abstraction has 33387 states and 47478 transitions. [2022-07-19 23:40:20,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-19 23:40:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 33387 states and 47478 transitions. [2022-07-19 23:40:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-07-19 23:40:20,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:20,316 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:20,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:40:20,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:20,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:20,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:20,531 INFO L85 PathProgramCache]: Analyzing trace with hash -291368302, now seen corresponding path program 1 times [2022-07-19 23:40:20,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:20,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349180332] [2022-07-19 23:40:20,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:20,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:40:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:40:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:40:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 23:40:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 23:40:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 23:40:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:40:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:40:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-19 23:40:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-19 23:40:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:40:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:40:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-19 23:40:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-19 23:40:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-07-19 23:40:21,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:21,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349180332] [2022-07-19 23:40:21,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349180332] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:40:21,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877978019] [2022-07-19 23:40:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:21,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:21,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:21,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:40:21,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 23:40:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:22,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 4066 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 23:40:22,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:40:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-07-19 23:40:23,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:40:23,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877978019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:23,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:40:23,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-07-19 23:40:23,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943755664] [2022-07-19 23:40:23,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:23,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:40:23,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:23,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:40:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:40:23,088 INFO L87 Difference]: Start difference. First operand 33387 states and 47478 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 7 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-19 23:40:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:24,518 INFO L93 Difference]: Finished difference Result 67058 states and 96220 transitions. [2022-07-19 23:40:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 23:40:24,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 7 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) Word has length 295 [2022-07-19 23:40:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:24,639 INFO L225 Difference]: With dead ends: 67058 [2022-07-19 23:40:24,640 INFO L226 Difference]: Without dead ends: 33471 [2022-07-19 23:40:24,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-07-19 23:40:24,731 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 34 mSDsluCounter, 19504 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 23426 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:24,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 23426 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:40:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33471 states. [2022-07-19 23:40:25,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33471 to 33471. [2022-07-19 23:40:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33471 states, 23858 states have (on average 1.3461731913823456) internal successors, (32117), 24397 states have internal predecessors, (32117), 7057 states have call successors, (7057), 2234 states have call predecessors, (7057), 2555 states have return successors, (8400), 7178 states have call predecessors, (8400), 7056 states have call successors, (8400) [2022-07-19 23:40:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33471 states to 33471 states and 47574 transitions. [2022-07-19 23:40:25,906 INFO L78 Accepts]: Start accepts. Automaton has 33471 states and 47574 transitions. Word has length 295 [2022-07-19 23:40:25,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:25,908 INFO L495 AbstractCegarLoop]: Abstraction has 33471 states and 47574 transitions. [2022-07-19 23:40:25,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 7 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-19 23:40:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 33471 states and 47574 transitions. [2022-07-19 23:40:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-19 23:40:25,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:25,945 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:25,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:40:26,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 23:40:26,152 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:26,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:26,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1294624398, now seen corresponding path program 1 times [2022-07-19 23:40:26,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:26,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998699014] [2022-07-19 23:40:26,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:26,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:40:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:40:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:40:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 23:40:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 23:40:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 23:40:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:40:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:40:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-19 23:40:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-19 23:40:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-19 23:40:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:40:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:40:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-19 23:40:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-19 23:40:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-07-19 23:40:27,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:27,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998699014] [2022-07-19 23:40:27,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998699014] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:40:27,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006247676] [2022-07-19 23:40:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:27,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:27,290 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:40:27,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 23:40:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:28,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 4105 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 23:40:28,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:40:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-07-19 23:40:28,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:40:28,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006247676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:28,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:40:28,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-07-19 23:40:28,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007703487] [2022-07-19 23:40:28,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:28,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:40:28,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:28,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:40:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:40:28,772 INFO L87 Difference]: Start difference. First operand 33471 states and 47574 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-19 23:40:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:29,967 INFO L93 Difference]: Finished difference Result 66956 states and 96067 transitions. [2022-07-19 23:40:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:40:29,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 305 [2022-07-19 23:40:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:30,080 INFO L225 Difference]: With dead ends: 66956 [2022-07-19 23:40:30,080 INFO L226 Difference]: Without dead ends: 33484 [2022-07-19 23:40:30,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 379 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:40:30,154 INFO L413 NwaCegarLoop]: 3908 mSDtfsCounter, 2 mSDsluCounter, 7809 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11717 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:30,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11717 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 23:40:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33484 states. [2022-07-19 23:40:31,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33484 to 33484. [2022-07-19 23:40:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33484 states, 23871 states have (on average 1.345984667588287) internal successors, (32130), 24410 states have internal predecessors, (32130), 7057 states have call successors, (7057), 2234 states have call predecessors, (7057), 2555 states have return successors, (8400), 7178 states have call predecessors, (8400), 7056 states have call successors, (8400) [2022-07-19 23:40:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33484 states to 33484 states and 47587 transitions. [2022-07-19 23:40:31,281 INFO L78 Accepts]: Start accepts. Automaton has 33484 states and 47587 transitions. Word has length 305 [2022-07-19 23:40:31,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:31,281 INFO L495 AbstractCegarLoop]: Abstraction has 33484 states and 47587 transitions. [2022-07-19 23:40:31,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-19 23:40:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 33484 states and 47587 transitions. [2022-07-19 23:40:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-19 23:40:31,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:31,314 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:31,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-19 23:40:31,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:31,528 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:31,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2057467962, now seen corresponding path program 1 times [2022-07-19 23:40:31,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:31,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31572222] [2022-07-19 23:40:31,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:31,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:40:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 23:40:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 23:40:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:40:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:40:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:40:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 23:40:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-19 23:40:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 23:40:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:40:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-19 23:40:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:40:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:40:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-19 23:40:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-19 23:40:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-07-19 23:40:32,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:32,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31572222] [2022-07-19 23:40:32,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31572222] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:40:32,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357872672] [2022-07-19 23:40:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:32,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:32,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:40:32,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 23:40:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:33,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 4165 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-19 23:40:33,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:40:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-19 23:40:33,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:40:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-07-19 23:40:34,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357872672] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:40:34,238 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 23:40:34,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-07-19 23:40:34,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176341033] [2022-07-19 23:40:34,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 23:40:34,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 23:40:34,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:34,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 23:40:34,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:40:34,244 INFO L87 Difference]: Start difference. First operand 33484 states and 47587 transitions. Second operand has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 10 states have internal predecessors, (286), 2 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-19 23:40:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:44,390 INFO L93 Difference]: Finished difference Result 73167 states and 107076 transitions. [2022-07-19 23:40:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 23:40:44,390 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 10 states have internal predecessors, (286), 2 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 309 [2022-07-19 23:40:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:44,538 INFO L225 Difference]: With dead ends: 73167 [2022-07-19 23:40:44,538 INFO L226 Difference]: Without dead ends: 39684 [2022-07-19 23:40:44,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 687 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2022-07-19 23:40:44,632 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 2933 mSDsluCounter, 10067 mSDsCounter, 0 mSdLazyCounter, 8295 mSolverCounterSat, 1897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 13596 SdHoareTripleChecker+Invalid, 10192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 8295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:44,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 13596 Invalid, 10192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1897 Valid, 8295 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-19 23:40:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39684 states. [2022-07-19 23:40:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39684 to 33536. [2022-07-19 23:40:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33536 states, 23909 states have (on average 1.3455602492785144) internal successors, (32171), 24448 states have internal predecessors, (32171), 7065 states have call successors, (7065), 2236 states have call predecessors, (7065), 2561 states have return successors, (8412), 7186 states have call predecessors, (8412), 7064 states have call successors, (8412) [2022-07-19 23:40:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33536 states to 33536 states and 47648 transitions. [2022-07-19 23:40:46,052 INFO L78 Accepts]: Start accepts. Automaton has 33536 states and 47648 transitions. Word has length 309 [2022-07-19 23:40:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:46,053 INFO L495 AbstractCegarLoop]: Abstraction has 33536 states and 47648 transitions. [2022-07-19 23:40:46,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 10 states have internal predecessors, (286), 2 states have call successors, (98), 6 states have call predecessors, (98), 5 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-19 23:40:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 33536 states and 47648 transitions. [2022-07-19 23:40:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-19 23:40:46,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:46,096 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:46,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:40:46,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:46,324 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:46,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:46,324 INFO L85 PathProgramCache]: Analyzing trace with hash -671533005, now seen corresponding path program 1 times [2022-07-19 23:40:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:46,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871049632] [2022-07-19 23:40:46,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:46,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:40:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:40:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:40:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:40:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:40:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:40:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:40:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:40:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:40:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-19 23:40:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:40:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:40:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 23:40:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-19 23:40:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-19 23:40:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-07-19 23:40:46,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:46,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871049632] [2022-07-19 23:40:46,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871049632] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:40:46,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593788700] [2022-07-19 23:40:46,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:46,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:40:46,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:46,994 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:40:46,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 23:40:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:49,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 4145 conjuncts, 82 conjunts are in the unsatisfiable core [2022-07-19 23:40:49,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:40:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-07-19 23:40:50,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:40:50,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593788700] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:50,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:40:50,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2022-07-19 23:40:50,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244641980] [2022-07-19 23:40:50,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:50,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-19 23:40:50,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-19 23:40:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2022-07-19 23:40:50,015 INFO L87 Difference]: Start difference. First operand 33536 states and 47648 transitions. Second operand has 18 states, 17 states have (on average 9.588235294117647) internal successors, (163), 14 states have internal predecessors, (163), 4 states have call successors, (39), 2 states have call predecessors, (39), 6 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-19 23:40:51,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:40:51,647 INFO L93 Difference]: Finished difference Result 67123 states and 96566 transitions. [2022-07-19 23:40:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 23:40:51,648 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.588235294117647) internal successors, (163), 14 states have internal predecessors, (163), 4 states have call successors, (39), 2 states have call predecessors, (39), 6 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) Word has length 300 [2022-07-19 23:40:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:40:51,809 INFO L225 Difference]: With dead ends: 67123 [2022-07-19 23:40:51,809 INFO L226 Difference]: Without dead ends: 33636 [2022-07-19 23:40:51,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2022-07-19 23:40:51,932 INFO L413 NwaCegarLoop]: 3931 mSDtfsCounter, 21 mSDsluCounter, 62804 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 66735 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:40:51,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 66735 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:40:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33636 states. [2022-07-19 23:40:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33636 to 33548. [2022-07-19 23:40:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33548 states, 23921 states have (on average 1.345136072906651) internal successors, (32177), 24454 states have internal predecessors, (32177), 7071 states have call successors, (7071), 2236 states have call predecessors, (7071), 2555 states have return successors, (8370), 7192 states have call predecessors, (8370), 7070 states have call successors, (8370) [2022-07-19 23:40:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33548 states to 33548 states and 47618 transitions. [2022-07-19 23:40:53,243 INFO L78 Accepts]: Start accepts. Automaton has 33548 states and 47618 transitions. Word has length 300 [2022-07-19 23:40:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:40:53,244 INFO L495 AbstractCegarLoop]: Abstraction has 33548 states and 47618 transitions. [2022-07-19 23:40:53,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.588235294117647) internal successors, (163), 14 states have internal predecessors, (163), 4 states have call successors, (39), 2 states have call predecessors, (39), 6 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-19 23:40:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 33548 states and 47618 transitions. [2022-07-19 23:40:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-19 23:40:53,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:40:53,278 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:40:53,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:40:53,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-19 23:40:53,484 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:40:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:40:53,484 INFO L85 PathProgramCache]: Analyzing trace with hash 627536790, now seen corresponding path program 1 times [2022-07-19 23:40:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:40:53,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755162536] [2022-07-19 23:40:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:40:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:40:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:40:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:40:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:40:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:40:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:40:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:40:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:40:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:40:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:40:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:40:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:40:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:40:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:40:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:40:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:40:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:40:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:40:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:40:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:40:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:40:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-19 23:40:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-19 23:40:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:40:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:40:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:40:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:40:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:40:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:40:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:40:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:40:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-19 23:40:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-19 23:40:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:40:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-07-19 23:40:54,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:40:54,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755162536] [2022-07-19 23:40:54,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755162536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:40:54,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:40:54,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:40:54,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732759753] [2022-07-19 23:40:54,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:40:54,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:40:54,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:40:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:40:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:40:54,065 INFO L87 Difference]: Start difference. First operand 33548 states and 47618 transitions. Second operand has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-19 23:41:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:41:02,053 INFO L93 Difference]: Finished difference Result 73567 states and 108028 transitions. [2022-07-19 23:41:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:41:02,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 312 [2022-07-19 23:41:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:41:02,193 INFO L225 Difference]: With dead ends: 73567 [2022-07-19 23:41:02,193 INFO L226 Difference]: Without dead ends: 40068 [2022-07-19 23:41:02,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:41:02,276 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 2975 mSDsluCounter, 10050 mSDsCounter, 0 mSdLazyCounter, 8360 mSolverCounterSat, 1899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 13579 SdHoareTripleChecker+Invalid, 10259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1899 IncrementalHoareTripleChecker+Valid, 8360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:41:02,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 13579 Invalid, 10259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1899 Valid, 8360 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-19 23:41:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40068 states. [2022-07-19 23:41:03,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40068 to 33596. [2022-07-19 23:41:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33596 states, 23957 states have (on average 1.344617439579246) internal successors, (32213), 24490 states have internal predecessors, (32213), 7071 states have call successors, (7071), 2236 states have call predecessors, (7071), 2567 states have return successors, (8418), 7204 states have call predecessors, (8418), 7070 states have call successors, (8418) [2022-07-19 23:41:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33596 states to 33596 states and 47702 transitions. [2022-07-19 23:41:03,653 INFO L78 Accepts]: Start accepts. Automaton has 33596 states and 47702 transitions. Word has length 312 [2022-07-19 23:41:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:41:03,657 INFO L495 AbstractCegarLoop]: Abstraction has 33596 states and 47702 transitions. [2022-07-19 23:41:03,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (41), 6 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-19 23:41:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 33596 states and 47702 transitions. [2022-07-19 23:41:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-19 23:41:03,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:41:03,701 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:41:03,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 23:41:03,702 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:41:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:41:03,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1079962345, now seen corresponding path program 1 times [2022-07-19 23:41:03,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:41:03,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9292012] [2022-07-19 23:41:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:41:03,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:41:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:41:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:41:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:41:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:41:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:41:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:41:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:41:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:41:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:41:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:41:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:41:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:41:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:41:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:41:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:41:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:41:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:41:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:41:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:41:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:41:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:41:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:41:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:41:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:41:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:41:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 23:41:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-19 23:41:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 23:41:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-07-19 23:41:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:41:04,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9292012] [2022-07-19 23:41:04,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9292012] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:41:04,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:41:04,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:41:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326191773] [2022-07-19 23:41:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:41:04,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:41:04,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:41:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:41:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:41:04,114 INFO L87 Difference]: Start difference. First operand 33596 states and 47702 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-19 23:41:18,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:41:18,625 INFO L93 Difference]: Finished difference Result 98484 states and 142864 transitions. [2022-07-19 23:41:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:41:18,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 332 [2022-07-19 23:41:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:41:18,909 INFO L225 Difference]: With dead ends: 98484 [2022-07-19 23:41:18,909 INFO L226 Difference]: Without dead ends: 64937 [2022-07-19 23:41:19,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:41:19,013 INFO L413 NwaCegarLoop]: 5380 mSDtfsCounter, 8830 mSDsluCounter, 10360 mSDsCounter, 0 mSdLazyCounter, 9124 mSolverCounterSat, 5297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9399 SdHoareTripleChecker+Valid, 15740 SdHoareTripleChecker+Invalid, 14421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5297 IncrementalHoareTripleChecker+Valid, 9124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:41:19,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9399 Valid, 15740 Invalid, 14421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5297 Valid, 9124 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-19 23:41:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64937 states. [2022-07-19 23:41:20,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64937 to 54552. [2022-07-19 23:41:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54552 states, 38961 states have (on average 1.335309668643002) internal successors, (52025), 39834 states have internal predecessors, (52025), 11363 states have call successors, (11363), 3676 states have call predecessors, (11363), 4227 states have return successors, (13538), 11592 states have call predecessors, (13538), 11362 states have call successors, (13538) [2022-07-19 23:41:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54552 states to 54552 states and 76926 transitions. [2022-07-19 23:41:21,349 INFO L78 Accepts]: Start accepts. Automaton has 54552 states and 76926 transitions. Word has length 332 [2022-07-19 23:41:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:41:21,349 INFO L495 AbstractCegarLoop]: Abstraction has 54552 states and 76926 transitions. [2022-07-19 23:41:21,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-19 23:41:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54552 states and 76926 transitions. [2022-07-19 23:41:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-19 23:41:21,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:41:21,414 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:41:21,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 23:41:21,422 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:41:21,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:41:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash 955786319, now seen corresponding path program 1 times [2022-07-19 23:41:21,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:41:21,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321129389] [2022-07-19 23:41:21,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:41:21,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:41:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:41:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:41:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:41:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:41:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:41:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:41:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:41:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:41:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:41:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:41:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:41:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:41:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:41:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:41:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:41:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-19 23:41:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:41:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:41:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:41:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:41:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:41:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:41:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:41:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:41:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:41:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 23:41:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-19 23:41:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 23:41:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-07-19 23:41:22,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:41:22,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321129389] [2022-07-19 23:41:22,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321129389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:41:22,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:41:22,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:41:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539398579] [2022-07-19 23:41:22,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:41:22,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:41:22,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:41:22,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:41:22,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:41:22,268 INFO L87 Difference]: Start difference. First operand 54552 states and 76926 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-19 23:41:31,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:41:31,897 INFO L93 Difference]: Finished difference Result 119347 states and 173370 transitions. [2022-07-19 23:41:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:41:31,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 332 [2022-07-19 23:41:31,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:41:32,229 INFO L225 Difference]: With dead ends: 119347 [2022-07-19 23:41:32,230 INFO L226 Difference]: Without dead ends: 64844 [2022-07-19 23:41:32,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:41:32,440 INFO L413 NwaCegarLoop]: 3491 mSDtfsCounter, 2979 mSDsluCounter, 7926 mSDsCounter, 0 mSdLazyCounter, 5773 mSolverCounterSat, 1880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 11417 SdHoareTripleChecker+Invalid, 7653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1880 IncrementalHoareTripleChecker+Valid, 5773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:41:32,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3236 Valid, 11417 Invalid, 7653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1880 Valid, 5773 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-19 23:41:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64844 states. [2022-07-19 23:41:35,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64844 to 54492. [2022-07-19 23:41:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54492 states, 38901 states have (on average 1.3347985912958535) internal successors, (51925), 39774 states have internal predecessors, (51925), 11363 states have call successors, (11363), 3676 states have call predecessors, (11363), 4227 states have return successors, (13538), 11592 states have call predecessors, (13538), 11362 states have call successors, (13538) [2022-07-19 23:41:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54492 states to 54492 states and 76826 transitions. [2022-07-19 23:41:35,374 INFO L78 Accepts]: Start accepts. Automaton has 54492 states and 76826 transitions. Word has length 332 [2022-07-19 23:41:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:41:35,380 INFO L495 AbstractCegarLoop]: Abstraction has 54492 states and 76826 transitions. [2022-07-19 23:41:35,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-19 23:41:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 54492 states and 76826 transitions. [2022-07-19 23:41:35,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-19 23:41:35,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:41:35,438 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:41:35,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 23:41:35,438 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:41:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:41:35,438 INFO L85 PathProgramCache]: Analyzing trace with hash 420098521, now seen corresponding path program 1 times [2022-07-19 23:41:35,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:41:35,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27689072] [2022-07-19 23:41:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:41:35,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:41:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:41:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:41:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:41:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:41:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:41:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:41:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:41:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:41:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:41:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:41:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:41:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:41:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:41:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:41:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:41:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-19 23:41:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:41:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:41:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:41:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:41:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:41:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:41:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:41:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:41:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:41:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 23:41:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-19 23:41:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 23:41:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-07-19 23:41:36,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:41:36,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27689072] [2022-07-19 23:41:36,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27689072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:41:36,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:41:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:41:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595905433] [2022-07-19 23:41:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:41:36,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:41:36,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:41:36,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:41:36,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:41:36,185 INFO L87 Difference]: Start difference. First operand 54492 states and 76826 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-19 23:41:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:41:45,486 INFO L93 Difference]: Finished difference Result 119187 states and 173030 transitions. [2022-07-19 23:41:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:41:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 332 [2022-07-19 23:41:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:41:45,914 INFO L225 Difference]: With dead ends: 119187 [2022-07-19 23:41:45,915 INFO L226 Difference]: Without dead ends: 64744 [2022-07-19 23:41:46,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:41:46,111 INFO L413 NwaCegarLoop]: 3519 mSDtfsCounter, 2900 mSDsluCounter, 6874 mSDsCounter, 0 mSdLazyCounter, 5405 mSolverCounterSat, 1860 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 10393 SdHoareTripleChecker+Invalid, 7265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1860 IncrementalHoareTripleChecker+Valid, 5405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:41:46,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 10393 Invalid, 7265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1860 Valid, 5405 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-19 23:41:46,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64744 states. [2022-07-19 23:41:48,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64744 to 54372. [2022-07-19 23:41:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54372 states, 38781 states have (on average 1.3311931100281065) internal successors, (51625), 39654 states have internal predecessors, (51625), 11363 states have call successors, (11363), 3676 states have call predecessors, (11363), 4227 states have return successors, (13538), 11592 states have call predecessors, (13538), 11362 states have call successors, (13538) [2022-07-19 23:41:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54372 states to 54372 states and 76526 transitions. [2022-07-19 23:41:48,510 INFO L78 Accepts]: Start accepts. Automaton has 54372 states and 76526 transitions. Word has length 332 [2022-07-19 23:41:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:41:48,511 INFO L495 AbstractCegarLoop]: Abstraction has 54372 states and 76526 transitions. [2022-07-19 23:41:48,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-19 23:41:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 54372 states and 76526 transitions. [2022-07-19 23:41:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-19 23:41:48,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:41:48,560 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:41:48,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 23:41:48,560 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:41:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:41:48,561 INFO L85 PathProgramCache]: Analyzing trace with hash 627425865, now seen corresponding path program 1 times [2022-07-19 23:41:48,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:41:48,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340074941] [2022-07-19 23:41:48,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:41:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:41:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:41:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:41:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:41:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:41:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:41:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:41:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:41:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:41:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:41:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:41:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:41:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:41:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:41:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:41:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:41:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-19 23:41:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:41:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:41:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:41:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:41:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 23:41:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 23:41:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:41:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:41:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:41:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 23:41:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 23:41:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:41:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:41:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-19 23:41:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-19 23:41:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-07-19 23:41:49,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:41:49,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340074941] [2022-07-19 23:41:49,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340074941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:41:49,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:41:49,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-19 23:41:49,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443253139] [2022-07-19 23:41:49,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:41:49,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-19 23:41:49,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:41:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-19 23:41:49,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:41:49,310 INFO L87 Difference]: Start difference. First operand 54372 states and 76526 transitions. Second operand has 13 states, 13 states have (on average 13.846153846153847) internal successors, (180), 6 states have internal predecessors, (180), 2 states have call successors, (44), 8 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43)