./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--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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--wireless--mwl8k.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 fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:19:32,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:19:32,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:19:32,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:19:32,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:19:32,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:19:32,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:19:32,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:19:32,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:19:32,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:19:32,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:19:32,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:19:32,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:19:32,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:19:32,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:19:32,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:19:32,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:19:32,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:19:32,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:19:32,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:19:32,273 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:19:32,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:19:32,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:19:32,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:19:32,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:19:32,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:19:32,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:19:32,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:19:32,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:19:32,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:19:32,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:19:32,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:19:32,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:19:32,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:19:32,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:19:32,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:19:32,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:19:32,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:19:32,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:19:32,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:19:32,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:19:32,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:19:32,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:19:32,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:19:32,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:19:32,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:19:32,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:19:32,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:19:32,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:19:32,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:19:32,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:19:32,329 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:19:32,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:19:32,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:19:32,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:19:32,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:19:32,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:19:32,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:19:32,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:19:32,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:19:32,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:19:32,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:19:32,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:19:32,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 [2022-07-14 00:19:32,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:19:32,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:19:32,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:19:32,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:19:32,574 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:19:32,575 INFO L432 ainManager$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--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-14 00:19:32,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532a34d60/1a1c24dad1b5419e92f55cc64b1d5182/FLAG0a78d98a4 [2022-07-14 00:19:33,305 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:19:33,306 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--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-14 00:19:33,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532a34d60/1a1c24dad1b5419e92f55cc64b1d5182/FLAG0a78d98a4 [2022-07-14 00:19:33,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532a34d60/1a1c24dad1b5419e92f55cc64b1d5182 [2022-07-14 00:19:33,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:19:33,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:19:33,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:33,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:19:33,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:19:33,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:33" (1/1) ... [2022-07-14 00:19:33,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692199de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:33, skipping insertion in model container [2022-07-14 00:19:33,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:19:33" (1/1) ... [2022-07-14 00:19:33,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:19:33,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:19:34,629 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--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-07-14 00:19:35,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:35,697 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:19:35,822 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--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-07-14 00:19:36,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:36,116 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:19:36,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36 WrapperNode [2022-07-14 00:19:36,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:36,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:36,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:19:36,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:19:36,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,382 INFO L137 Inliner]: procedures = 418, calls = 3842, calls flagged for inlining = 181, calls inlined = 158, statements flattened = 7974 [2022-07-14 00:19:36,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:36,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:19:36,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:19:36,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:19:36,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:19:36,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:19:36,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:19:36,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:19:36,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (1/1) ... [2022-07-14 00:19:36,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:19:36,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:19:36,809 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) [2022-07-14 00:19:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-14 00:19:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-14 00:19:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-14 00:19:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-14 00:19:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-14 00:19:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-14 00:19:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 00:19:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 00:19:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2022-07-14 00:19:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2022-07-14 00:19:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:19:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:19:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2022-07-14 00:19:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2022-07-14 00:19:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:19:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:19:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:19:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:19:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 00:19:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 00:19:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:19:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:19:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 00:19:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 00:19:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 00:19:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 00:19:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2022-07-14 00:19:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2022-07-14 00:19:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-14 00:19:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-14 00:19:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-14 00:19:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-14 00:19:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 00:19:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 00:19:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 00:19:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-14 00:19:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-14 00:19:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-14 00:19:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-14 00:19:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-14 00:19:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-14 00:19:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:19:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-14 00:19:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-14 00:19:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2022-07-14 00:19:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2022-07-14 00:19:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 00:19:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 00:19:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:19:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 00:19:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 00:19:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:19:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:19:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2022-07-14 00:19:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2022-07-14 00:19:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:19:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:19:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-14 00:19:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2022-07-14 00:19:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2022-07-14 00:19:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-14 00:19:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-14 00:19:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 00:19:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 00:19:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2022-07-14 00:19:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2022-07-14 00:19:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 00:19:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 00:19:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:19:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:19:36,827 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 [2022-07-14 00:19:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-14 00:19:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-14 00:19:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-14 00:19:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-14 00:19:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:19:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-14 00:19:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-14 00:19:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-14 00:19:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-14 00:19:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:19:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2022-07-14 00:19:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2022-07-14 00:19:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 00:19:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 00:19:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:19:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 00:19:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 00:19:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:19:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:19:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:19:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:19:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-14 00:19:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-14 00:19:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-14 00:19:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-14 00:19:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-14 00:19:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-14 00:19:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 00:19:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 00:19:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-14 00:19:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-14 00:19:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:19:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:19:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-14 00:19:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-14 00:19:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-14 00:19:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-14 00:19:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:19:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:19:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-14 00:19:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-14 00:19:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 00:19:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 00:19:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:19:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:19:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-14 00:19:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-14 00:19:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-14 00:19:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-14 00:19:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:19:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:19:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-14 00:19:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-14 00:19:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:19:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:19:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-14 00:19:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-14 00:19:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2022-07-14 00:19:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2022-07-14 00:19:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 00:19:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 00:19:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:19:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:19:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 00:19:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 00:19:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-14 00:19:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-14 00:19:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-14 00:19:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-14 00:19:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-14 00:19:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-14 00:19:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-14 00:19:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-14 00:19:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-14 00:19:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-14 00:19:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-14 00:19:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-14 00:19:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-14 00:19:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-14 00:19:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:19:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:19:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-14 00:19:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-14 00:19:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-14 00:19:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-14 00:19:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:19:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:19:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 00:19:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 00:19:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-14 00:19:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-14 00:19:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-14 00:19:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-14 00:19:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:19:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:19:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-14 00:19:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-14 00:19:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:19:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:19:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-14 00:19:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-14 00:19:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 00:19:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 00:19:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2022-07-14 00:19:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2022-07-14 00:19:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:19:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:19:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 00:19:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 00:19:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-14 00:19:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-14 00:19:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-14 00:19:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-14 00:19:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-14 00:19:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-14 00:19:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 00:19:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 00:19:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:19:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-14 00:19:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-14 00:19:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:19:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:19:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:19:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-14 00:19:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-14 00:19:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2022-07-14 00:19:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2022-07-14 00:19:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-14 00:19:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-14 00:19:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2022-07-14 00:19:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2022-07-14 00:19:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-14 00:19:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-14 00:19:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-14 00:19:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-14 00:19:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-14 00:19:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-14 00:19:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:19:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:19:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:19:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 00:19:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 00:19:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-14 00:19:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-14 00:19:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-14 00:19:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-14 00:19:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:19:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:19:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-14 00:19:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-14 00:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-14 00:19:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-14 00:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-14 00:19:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-14 00:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-14 00:19:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-14 00:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:19:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:19:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-14 00:19:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-14 00:19:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-14 00:19:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-14 00:19:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-14 00:19:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-14 00:19:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 00:19:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 00:19:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:19:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:19:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2022-07-14 00:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2022-07-14 00:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-14 00:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-14 00:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-14 00:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-14 00:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-14 00:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-14 00:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-14 00:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-14 00:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:19:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:19:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-14 00:19:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-14 00:19:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:19:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:19:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:19:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:19:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:19:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-14 00:19:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-14 00:19:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-14 00:19:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-14 00:19:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-14 00:19:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-14 00:19:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:19:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:19:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2022-07-14 00:19:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2022-07-14 00:19:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-14 00:19:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-14 00:19:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:19:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:19:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-14 00:19:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-14 00:19:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2022-07-14 00:19:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2022-07-14 00:19:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 00:19:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 00:19:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 00:19:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 00:19:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-14 00:19:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-14 00:19:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2022-07-14 00:19:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2022-07-14 00:19:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-14 00:19:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-14 00:19:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-14 00:19:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-14 00:19:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 00:19:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 00:19:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 00:19:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 00:19:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-14 00:19:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-14 00:19:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-14 00:19:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-14 00:19:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:19:36,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:19:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-14 00:19:36,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-14 00:19:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-14 00:19:36,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-14 00:19:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:19:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-14 00:19:36,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-14 00:19:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-14 00:19:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-14 00:19:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-14 00:19:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-14 00:19:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-14 00:19:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 00:19:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 00:19:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-14 00:19:36,893 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-14 00:19:37,810 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:19:37,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:19:41,670 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:19:49,296 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:19:49,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:19:49,319 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 00:19:49,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:19:49 BoogieIcfgContainer [2022-07-14 00:19:49,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:19:49,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:19:49,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:19:49,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:19:49,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:19:33" (1/3) ... [2022-07-14 00:19:49,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e269899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:19:49, skipping insertion in model container [2022-07-14 00:19:49,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:36" (2/3) ... [2022-07-14 00:19:49,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e269899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:19:49, skipping insertion in model container [2022-07-14 00:19:49,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:19:49" (3/3) ... [2022-07-14 00:19:49,330 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-14 00:19:49,340 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:19:49,340 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:19:49,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:19:49,423 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@b72526e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55386f4 [2022-07-14 00:19:49,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:19:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 3112 states, 2229 states have (on average 1.4028712427097354) internal successors, (3127), 2299 states have internal predecessors, (3127), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-14 00:19:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-14 00:19:49,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:19:49,455 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:19:49,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:19:49,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:19:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1222092844, now seen corresponding path program 1 times [2022-07-14 00:19:49,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:19:49,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592243350] [2022-07-14 00:19:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:19:49,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:19:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:19:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:19:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:19:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:19:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:19:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:19:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:19:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:19:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:19:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:19:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:19:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:19:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:19:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:19:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:19:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:19:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:19:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:19:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:19:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:19:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:19:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:19:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:19:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:19:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:19:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:19:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:19:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:19:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:19:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:19:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-14 00:19:50,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:19:50,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592243350] [2022-07-14 00:19:50,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592243350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:19:50,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:19:50,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:19:50,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402354713] [2022-07-14 00:19:50,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:19:50,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:19:50,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:19:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:19:50,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:19:50,474 INFO L87 Difference]: Start difference. First operand has 3112 states, 2229 states have (on average 1.4028712427097354) internal successors, (3127), 2299 states have internal predecessors, (3127), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 00:19:53,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:19:55,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:19:59,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:01,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:07,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:09,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:13,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:15,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:20:24,295 INFO L93 Difference]: Finished difference Result 11098 states and 17441 transitions. [2022-07-14 00:20:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:20:24,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2022-07-14 00:20:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:20:24,359 INFO L225 Difference]: With dead ends: 11098 [2022-07-14 00:20:24,359 INFO L226 Difference]: Without dead ends: 7931 [2022-07-14 00:20:24,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:20:24,388 INFO L413 NwaCegarLoop]: 4855 mSDtfsCounter, 10604 mSDsluCounter, 6757 mSDsCounter, 0 mSdLazyCounter, 6698 mSolverCounterSat, 5120 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11130 SdHoareTripleChecker+Valid, 11612 SdHoareTripleChecker+Invalid, 11826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5120 IncrementalHoareTripleChecker+Valid, 6698 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:20:24,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11130 Valid, 11612 Invalid, 11826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5120 Valid, 6698 Invalid, 8 Unknown, 0 Unchecked, 33.0s Time] [2022-07-14 00:20:24,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7931 states. [2022-07-14 00:20:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7931 to 6079. [2022-07-14 00:20:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6079 states, 4373 states have (on average 1.3764006402927051) internal successors, (6019), 4489 states have internal predecessors, (6019), 1389 states have call successors, (1389), 317 states have call predecessors, (1389), 316 states have return successors, (1388), 1368 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-07-14 00:20:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 8796 transitions. [2022-07-14 00:20:24,818 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 8796 transitions. Word has length 199 [2022-07-14 00:20:24,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:20:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 6079 states and 8796 transitions. [2022-07-14 00:20:24,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 00:20:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 8796 transitions. [2022-07-14 00:20:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-14 00:20:24,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:20:24,829 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:20:24,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:20:24,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:20:24,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:20:24,830 INFO L85 PathProgramCache]: Analyzing trace with hash -609395325, now seen corresponding path program 1 times [2022-07-14 00:20:24,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:20:24,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686361766] [2022-07-14 00:20:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:20:24,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:20:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:20:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:20:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:20:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:20:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:20:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:20:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:20:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:20:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:20:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:20:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:20:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:20:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:20:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:20:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:20:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:20:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:20:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:20:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:20:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:20:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:20:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:20:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:20:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:20:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:20:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:20:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:20:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:20:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:20:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:20:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-14 00:20:25,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:20:25,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686361766] [2022-07-14 00:20:25,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686361766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:20:25,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:20:25,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:20:25,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239914973] [2022-07-14 00:20:25,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:20:25,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:20:25,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:20:25,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:20:25,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:20:25,411 INFO L87 Difference]: Start difference. First operand 6079 states and 8796 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 00:20:30,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:32,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:38,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:40,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:57,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:20:57,114 INFO L93 Difference]: Finished difference Result 21802 states and 32826 transitions. [2022-07-14 00:20:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:20:57,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 202 [2022-07-14 00:20:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:20:57,205 INFO L225 Difference]: With dead ends: 21802 [2022-07-14 00:20:57,206 INFO L226 Difference]: Without dead ends: 15782 [2022-07-14 00:20:57,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:20:57,235 INFO L413 NwaCegarLoop]: 4850 mSDtfsCounter, 10555 mSDsluCounter, 13222 mSDsCounter, 0 mSdLazyCounter, 11699 mSolverCounterSat, 5087 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11094 SdHoareTripleChecker+Valid, 18072 SdHoareTripleChecker+Invalid, 16790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 11699 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:20:57,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11094 Valid, 18072 Invalid, 16790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5087 Valid, 11699 Invalid, 4 Unknown, 0 Unchecked, 30.6s Time] [2022-07-14 00:20:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15782 states. [2022-07-14 00:20:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15782 to 12136. [2022-07-14 00:20:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12136 states, 8744 states have (on average 1.377516010978957) internal successors, (12045), 8984 states have internal predecessors, (12045), 2749 states have call successors, (2749), 633 states have call predecessors, (2749), 642 states have return successors, (2818), 2710 states have call predecessors, (2818), 2748 states have call successors, (2818) [2022-07-14 00:20:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12136 states to 12136 states and 17612 transitions. [2022-07-14 00:20:57,749 INFO L78 Accepts]: Start accepts. Automaton has 12136 states and 17612 transitions. Word has length 202 [2022-07-14 00:20:57,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:20:57,750 INFO L495 AbstractCegarLoop]: Abstraction has 12136 states and 17612 transitions. [2022-07-14 00:20:57,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 00:20:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 12136 states and 17612 transitions. [2022-07-14 00:20:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 00:20:57,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:20:57,764 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 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] [2022-07-14 00:20:57,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:20:57,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:20:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:20:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash 278568115, now seen corresponding path program 1 times [2022-07-14 00:20:57,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:20:57,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075303870] [2022-07-14 00:20:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:20:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:20:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:20:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:20:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:20:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:20:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:20:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:20:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:20:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:20:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:20:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:20:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:20:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:20:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:20:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:20:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:20:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:20:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:20:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:20:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:20:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:20:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:20:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:20:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:20:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:20:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:20:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:20:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:20:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:20:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:20:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:20:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 00:20:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:20:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-14 00:20:58,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:20:58,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075303870] [2022-07-14 00:20:58,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075303870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:20:58,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:20:58,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:20:58,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119319900] [2022-07-14 00:20:58,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:20:58,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:20:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:20:58,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:20:58,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:20:58,265 INFO L87 Difference]: Start difference. First operand 12136 states and 17612 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 00:21:03,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:05,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:07,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:12,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:14,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:16,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:31,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:21:31,377 INFO L93 Difference]: Finished difference Result 32960 states and 48971 transitions. [2022-07-14 00:21:31,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:21:31,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 238 [2022-07-14 00:21:31,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:21:31,496 INFO L225 Difference]: With dead ends: 32960 [2022-07-14 00:21:31,496 INFO L226 Difference]: Without dead ends: 20888 [2022-07-14 00:21:31,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:21:31,545 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7223 mSDsluCounter, 6262 mSDsCounter, 0 mSdLazyCounter, 9059 mSolverCounterSat, 4365 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7527 SdHoareTripleChecker+Valid, 10802 SdHoareTripleChecker+Invalid, 13430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4365 IncrementalHoareTripleChecker+Valid, 9059 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:21:31,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7527 Valid, 10802 Invalid, 13430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4365 Valid, 9059 Invalid, 6 Unknown, 0 Unchecked, 32.1s Time] [2022-07-14 00:21:31,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20888 states. [2022-07-14 00:21:32,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20888 to 16214. [2022-07-14 00:21:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16214 states, 11708 states have (on average 1.3690638879398702) internal successors, (16029), 12048 states have internal predecessors, (16029), 3523 states have call successors, (3523), 923 states have call predecessors, (3523), 982 states have return successors, (3890), 3512 states have call predecessors, (3890), 3522 states have call successors, (3890) [2022-07-14 00:21:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16214 states to 16214 states and 23442 transitions. [2022-07-14 00:21:32,407 INFO L78 Accepts]: Start accepts. Automaton has 16214 states and 23442 transitions. Word has length 238 [2022-07-14 00:21:32,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:21:32,408 INFO L495 AbstractCegarLoop]: Abstraction has 16214 states and 23442 transitions. [2022-07-14 00:21:32,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 00:21:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 16214 states and 23442 transitions. [2022-07-14 00:21:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 00:21:32,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:21:32,425 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 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] [2022-07-14 00:21:32,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:21:32,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:21:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:21:32,426 INFO L85 PathProgramCache]: Analyzing trace with hash -273875912, now seen corresponding path program 1 times [2022-07-14 00:21:32,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:21:32,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177812822] [2022-07-14 00:21:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:21:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:21:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:21:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:21:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:21:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:21:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:21:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:21:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:21:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:21:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:21:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:21:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:21:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:21:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:21:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:21:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:21:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:21:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:21:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:21:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:21:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:21:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:21:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:21:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:21:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:21:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:21:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:21:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:21:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:21:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:21:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:21:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 00:21:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 00:21:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:21:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 00:21:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-14 00:21:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:21:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2022-07-14 00:21:32,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:21:32,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177812822] [2022-07-14 00:21:32,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177812822] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:21:32,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:21:32,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:21:32,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359579298] [2022-07-14 00:21:32,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:21:32,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:21:32,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:21:32,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:21:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:21:32,941 INFO L87 Difference]: Start difference. First operand 16214 states and 23442 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 00:21:39,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:41,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:43,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:46,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:48,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:50,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:57,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:59,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:01,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:03,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:05,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:07,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:27,337 INFO L93 Difference]: Finished difference Result 53002 states and 78967 transitions. [2022-07-14 00:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:22:27,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 274 [2022-07-14 00:22:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:27,654 INFO L225 Difference]: With dead ends: 53002 [2022-07-14 00:22:27,655 INFO L226 Difference]: Without dead ends: 36852 [2022-07-14 00:22:27,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:22:27,722 INFO L413 NwaCegarLoop]: 6425 mSDtfsCounter, 11445 mSDsluCounter, 8122 mSDsCounter, 0 mSdLazyCounter, 12249 mSolverCounterSat, 5988 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12093 SdHoareTripleChecker+Valid, 14547 SdHoareTripleChecker+Invalid, 18249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5988 IncrementalHoareTripleChecker+Valid, 12249 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:27,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12093 Valid, 14547 Invalid, 18249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5988 Valid, 12249 Invalid, 12 Unknown, 0 Unchecked, 52.7s Time] [2022-07-14 00:22:27,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-14 00:22:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28540. [2022-07-14 00:22:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28540 states, 20658 states have (on average 1.3689127698712362) internal successors, (28279), 21266 states have internal predecessors, (28279), 6213 states have call successors, (6213), 1555 states have call predecessors, (6213), 1668 states have return successors, (6905), 6190 states have call predecessors, (6905), 6212 states have call successors, (6905) [2022-07-14 00:22:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28540 states to 28540 states and 41397 transitions. [2022-07-14 00:22:29,093 INFO L78 Accepts]: Start accepts. Automaton has 28540 states and 41397 transitions. Word has length 274 [2022-07-14 00:22:29,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:29,095 INFO L495 AbstractCegarLoop]: Abstraction has 28540 states and 41397 transitions. [2022-07-14 00:22:29,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 00:22:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 28540 states and 41397 transitions. [2022-07-14 00:22:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 00:22:29,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:29,110 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 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] [2022-07-14 00:22:29,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:22:29,110 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:29,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:29,111 INFO L85 PathProgramCache]: Analyzing trace with hash -756085298, now seen corresponding path program 1 times [2022-07-14 00:22:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:22:29,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200626252] [2022-07-14 00:22:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:22:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:22:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:22:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:22:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:22:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:22:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:22:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:22:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:22:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:22:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:22:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:22:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:22:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:22:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:22:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:22:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:22:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:22:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:22:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:22:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:22:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:22:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:22:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:22:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:22:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:22:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:22:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:22:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:22:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:22:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:22:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 00:22:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 00:22:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:22:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 00:22:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 00:22:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:22:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-14 00:22:29,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:22:29,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200626252] [2022-07-14 00:22:29,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200626252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:29,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:29,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:22:29,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173432102] [2022-07-14 00:22:29,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:29,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:22:29,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:22:29,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:22:29,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:22:29,692 INFO L87 Difference]: Start difference. First operand 28540 states and 41397 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-07-14 00:22:35,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:40,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:51,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:51,896 INFO L93 Difference]: Finished difference Result 51744 states and 77547 transitions. [2022-07-14 00:22:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 00:22:51,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 274 [2022-07-14 00:22:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:52,035 INFO L225 Difference]: With dead ends: 51744 [2022-07-14 00:22:52,036 INFO L226 Difference]: Without dead ends: 36852 [2022-07-14 00:22:52,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:22:52,082 INFO L413 NwaCegarLoop]: 4308 mSDtfsCounter, 2058 mSDsluCounter, 6946 mSDsCounter, 0 mSdLazyCounter, 10941 mSolverCounterSat, 1117 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 11254 SdHoareTripleChecker+Invalid, 12060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1117 IncrementalHoareTripleChecker+Valid, 10941 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:52,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 11254 Invalid, 12060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1117 Valid, 10941 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2022-07-14 00:22:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-14 00:22:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28552. [2022-07-14 00:22:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28552 states, 20670 states have (on average 1.3686985970004837) internal successors, (28291), 21278 states have internal predecessors, (28291), 6213 states have call successors, (6213), 1555 states have call predecessors, (6213), 1668 states have return successors, (6905), 6190 states have call predecessors, (6905), 6212 states have call successors, (6905) [2022-07-14 00:22:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28552 states to 28552 states and 41409 transitions. [2022-07-14 00:22:53,232 INFO L78 Accepts]: Start accepts. Automaton has 28552 states and 41409 transitions. Word has length 274 [2022-07-14 00:22:53,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:53,233 INFO L495 AbstractCegarLoop]: Abstraction has 28552 states and 41409 transitions. [2022-07-14 00:22:53,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-07-14 00:22:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 28552 states and 41409 transitions. [2022-07-14 00:22:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-14 00:22:53,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:53,248 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 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] [2022-07-14 00:22:53,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:22:53,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:53,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:53,249 INFO L85 PathProgramCache]: Analyzing trace with hash 229237389, now seen corresponding path program 1 times [2022-07-14 00:22:53,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:22:53,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764455861] [2022-07-14 00:22:53,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:53,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:22:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:22:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:22:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:22:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:22:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:22:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:22:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:22:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:22:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:22:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:22:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:22:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 00:22:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 00:22:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:22:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-14 00:22:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-14 00:22:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:22:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:22:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:22:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:22:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 00:22:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:22:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:22:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:22:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 00:22:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:22:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:22:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:22:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:22:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:22:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 00:22:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 00:22:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:22:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 00:22:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 00:22:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:22:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-14 00:22:53,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:22:53,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764455861] [2022-07-14 00:22:53,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764455861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:53,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:53,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-14 00:22:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008614596] [2022-07-14 00:22:53,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:53,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:22:53,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:22:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:22:53,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:22:53,878 INFO L87 Difference]: Start difference. First operand 28552 states and 41409 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 4 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 00:23:00,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:02,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:04,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:06,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:08,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:15,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:17,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:19,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:21,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:23,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:38,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:40,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:42,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []