./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF --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 159d68084b5403f80e4b7540fecb70dab3afa3eb4f2cbbe3cc657fb12a0df7e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:32:45,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:32:45,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:32:45,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:32:45,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:32:45,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:32:45,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:32:45,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:32:45,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:32:45,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:32:45,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:32:45,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:32:45,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:32:45,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:32:45,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:32:45,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:32:45,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:32:45,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:32:45,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:32:45,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:32:45,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:32:45,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:32:45,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:32:45,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:32:45,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:32:45,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:32:45,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:32:45,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:32:45,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:32:45,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:32:45,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:32:45,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:32:45,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:32:45,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:32:45,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:32:45,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:32:45,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:32:45,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:32:45,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:32:45,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:32:45,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:32:45,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:32:45,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:32:45,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:32:45,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:32:45,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:32:45,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:32:45,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:32:45,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:32:45,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:32:45,421 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:32:45,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:32:45,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:32:45,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:32:45,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:32:45,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:32:45,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:32:45,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:32:45,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:32:45,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:32:45,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:32:45,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:32:45,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:32:45,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:45,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:32:45,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:32:45,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:32:45,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:32:45,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:32:45,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:32:45,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:32:45,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:32:45,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:32:45,430 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 159d68084b5403f80e4b7540fecb70dab3afa3eb4f2cbbe3cc657fb12a0df7e0 [2021-11-20 05:32:45,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:32:45,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:32:45,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:32:45,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:32:45,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:32:45,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2021-11-20 05:32:45,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/data/ee9c8548b/16362cee085a48d08d9ffbde8ab1ef5e/FLAG16bdb9b1c [2021-11-20 05:32:46,994 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:32:46,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2021-11-20 05:32:47,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/data/ee9c8548b/16362cee085a48d08d9ffbde8ab1ef5e/FLAG16bdb9b1c [2021-11-20 05:32:47,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/data/ee9c8548b/16362cee085a48d08d9ffbde8ab1ef5e [2021-11-20 05:32:47,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:32:47,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:32:47,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:47,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:32:47,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:32:47,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:47" (1/1) ... [2021-11-20 05:32:47,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf66637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:47, skipping insertion in model container [2021-11-20 05:32:47,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:47" (1/1) ... [2021-11-20 05:32:47,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:32:47,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:32:53,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[548244,548257] [2021-11-20 05:32:54,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:54,443 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:32:55,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[548244,548257] [2021-11-20 05:32:55,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:55,570 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:32:55,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55 WrapperNode [2021-11-20 05:32:55,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:55,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:55,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:32:55,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:32:55,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:55,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:56,536 INFO L137 Inliner]: procedures = 861, calls = 10351, calls flagged for inlining = 291, calls inlined = 261, statements flattened = 16765 [2021-11-20 05:32:56,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:56,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:32:56,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:32:56,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:32:56,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:56,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:56,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:56,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:57,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:57,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:57,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:57,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:32:57,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:32:57,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:32:57,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:32:57,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (1/1) ... [2021-11-20 05:32:57,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:57,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:32:57,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:32:57,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48638e3c-17ef-42e3-ad7a-80027533c8ae/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:32:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-20 05:32:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-11-20 05:32:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-11-20 05:32:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_disable [2021-11-20 05:32:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_disable [2021-11-20 05:32:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lvds_identify_vt1636 [2021-11-20 05:32:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lvds_identify_vt1636 [2021-11-20 05:32:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_remove [2021-11-20 05:32:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_remove [2021-11-20 05:32:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-20 05:32:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-20 05:32:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure via_read_reg [2021-11-20 05:32:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure via_read_reg [2021-11-20 05:32:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write_dac_reg [2021-11-20 05:32:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dac_reg [2021-11-20 05:32:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure vx855_encode_pll [2021-11-20 05:32:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vx855_encode_pll [2021-11-20 05:32:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_resume [2021-11-20 05:32:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_resume [2021-11-20 05:32:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_teardown_mmio [2021-11-20 05:32:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_teardown_mmio [2021-11-20 05:32:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 05:32:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_misc_reg_mask [2021-11-20 05:32:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_misc_reg_mask [2021-11-20 05:32:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2021-11-20 05:32:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2021-11-20 05:32:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_check_var [2021-11-20 05:32:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_check_var [2021-11-20 05:32:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp1_proc_write [2021-11-20 05:32:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp1_proc_write [2021-11-20 05:32:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:32:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:32:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_readbyte [2021-11-20 05:32:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_readbyte [2021-11-20 05:32:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_timing [2021-11-20 05:32:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_timing [2021-11-20 05:32:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 05:32:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 05:32:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_dpa_vt1636 [2021-11-20 05:32:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dpa_vt1636 [2021-11-20 05:32:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_FIFO_reg [2021-11-20 05:32:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_FIFO_reg [2021-11-20 05:32:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2021-11-20 05:32:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2021-11-20 05:32:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 05:32:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 05:32:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-20 05:32:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-20 05:32:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_disable_lvds_vt1636 [2021-11-20 05:32:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_disable_lvds_vt1636 [2021-11-20 05:32:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:32:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_clk_range_index [2021-11-20 05:32:57,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_clk_range_index [2021-11-20 05:32:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_enable [2021-11-20 05:32:57,869 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_enable [2021-11-20 05:32:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2021-11-20 05:32:57,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_copyarea [2021-11-20 05:32:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:32:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:32:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 05:32:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 05:32:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure get_var_refresh [2021-11-20 05:32:57,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_var_refresh [2021-11-20 05:32:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_unlock_crt [2021-11-20 05:32:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_unlock_crt [2021-11-20 05:32:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_fetch_count_reg [2021-11-20 05:32:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_fetch_count_reg [2021-11-20 05:32:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8_from_user [2021-11-20 05:32:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8_from_user [2021-11-20 05:32:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 05:32:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 05:32:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:32:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_reset_engine [2021-11-20 05:32:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_reset_engine [2021-11-20 05:32:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:32:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:32:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:32:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:32:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvi_devices [2021-11-20 05:32:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvi_devices [2021-11-20 05:32:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_timing [2021-11-20 05:32:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_timing [2021-11-20 05:32:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_viafb_pm_hooks_lock [2021-11-20 05:32:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_viafb_pm_hooks_lock [2021-11-20 05:32:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_reg [2021-11-20 05:32:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_reg [2021-11-20 05:32:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2021-11-20 05:32:57,876 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2021-11-20 05:32:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_engine_pll_encoded [2021-11-20 05:32:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_engine_pll_encoded [2021-11-20 05:32:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:32:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:32:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_sync_polarity [2021-11-20 05:32:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_sync_polarity [2021-11-20 05:32:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 05:32:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 05:32:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_suspend [2021-11-20 05:32:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_suspend [2021-11-20 05:32:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-11-20 05:32:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-11-20 05:32:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:32:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-11-20 05:32:57,880 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-11-20 05:32:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure parse_mode [2021-11-20 05:32:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_mode [2021-11-20 05:32:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_state [2021-11-20 05:32:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_state [2021-11-20 05:32:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcd_devices [2021-11-20 05:32:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcd_devices [2021-11-20 05:32:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure probe___0 [2021-11-20 05:32:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___0 [2021-11-20 05:32:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure probe___1 [2021-11-20 05:32:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___1 [2021-11-20 05:32:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure probe___3 [2021-11-20 05:32:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___3 [2021-11-20 05:32:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_source [2021-11-20 05:32:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_source [2021-11-20 05:32:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 05:32:57,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 05:32:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2021-11-20 05:32:57,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2021-11-20 05:32:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:32:57,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:32:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2021-11-20 05:32:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2021-11-20 05:32:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg_mask [2021-11-20 05:32:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg_mask [2021-11-20 05:32:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2021-11-20 05:32:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2021-11-20 05:32:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:32:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:32:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 05:32:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 05:32:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_resume [2021-11-20 05:32:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_resume [2021-11-20 05:32:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:32:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:32:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:32:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure cle266_encode_pll [2021-11-20 05:32:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cle266_encode_pll [2021-11-20 05:32:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:32:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~int [2021-11-20 05:32:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~int [2021-11-20 05:32:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 05:32:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 05:32:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 05:32:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 05:32:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure get_best_mode [2021-11-20 05:32:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure get_best_mode [2021-11-20 05:32:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_probe [2021-11-20 05:32:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_probe [2021-11-20 05:32:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_config [2021-11-20 05:32:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_config [2021-11-20 05:32:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure parse_port [2021-11-20 05:32:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_port [2021-11-20 05:32:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_fix [2021-11-20 05:32:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_fix [2021-11-20 05:32:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2021-11-20 05:32:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2021-11-20 05:32:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_setup_fixinfo [2021-11-20 05:32:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_setup_fixinfo [2021-11-20 05:32:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_sense [2021-11-20 05:32:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_sense [2021-11-20 05:32:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_iga_path [2021-11-20 05:32:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_iga_path [2021-11-20 05:32:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure check_tmds_chip [2021-11-20 05:32:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tmds_chip [2021-11-20 05:32:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_unregister [2021-11-20 05:32:57,902 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_unregister [2021-11-20 05:32:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:32:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-20 05:32:57,902 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-20 05:32:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:32:57,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:32:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfph_proc_write [2021-11-20 05:32:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfph_proc_write [2021-11-20 05:32:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_disable [2021-11-20 05:32:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_disable [2021-11-20 05:32:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure k800_encode_pll [2021-11-20 05:32:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_encode_pll [2021-11-20 05:32:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 05:32:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 05:32:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_enable [2021-11-20 05:32:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_enable [2021-11-20 05:32:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_set_mode [2021-11-20 05:32:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_set_mode [2021-11-20 05:32:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 05:32:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 05:32:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pan_display [2021-11-20 05:32:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pan_display [2021-11-20 05:32:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-11-20 05:32:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-11-20 05:32:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure via_fb_pci_remove [2021-11-20 05:32:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure via_fb_pci_remove [2021-11-20 05:32:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_bus_free [2021-11-20 05:32:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_bus_free [2021-11-20 05:32:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_address [2021-11-20 05:32:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_address [2021-11-20 05:32:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 05:32:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 05:32:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_init_lvds_output_interface [2021-11-20 05:32:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_init_lvds_output_interface [2021-11-20 05:32:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_bpp [2021-11-20 05:32:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_bpp [2021-11-20 05:32:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_source_common [2021-11-20 05:32:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_source_common [2021-11-20 05:32:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_find_i2c_adapter [2021-11-20 05:32:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_find_i2c_adapter [2021-11-20 05:32:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga1_odev_proc_write [2021-11-20 05:32:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga1_odev_proc_write [2021-11-20 05:32:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_enable [2021-11-20 05:32:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_enable [2021-11-20 05:32:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-11-20 05:32:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-11-20 05:32:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_par [2021-11-20 05:32:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_par [2021-11-20 05:32:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:32:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:32:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:32:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:32:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_sync [2021-11-20 05:32:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sync [2021-11-20 05:32:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_output_frequency [2021-11-20 05:32:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_output_frequency [2021-11-20 05:32:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga2_odev_proc_write [2021-11-20 05:32:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga2_odev_proc_write [2021-11-20 05:32:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~~bool~0~TO~VOID [2021-11-20 05:32:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~~bool~0~TO~VOID [2021-11-20 05:32:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_remove [2021-11-20 05:32:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_remove [2021-11-20 05:32:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:32:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:32:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_enable_lvds_vt1636 [2021-11-20 05:32:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_enable_lvds_vt1636 [2021-11-20 05:32:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lock_crt [2021-11-20 05:32:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lock_crt [2021-11-20 05:32:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-20 05:32:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-20 05:32:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 05:32:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 05:32:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:32:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure set_clock_source_common [2021-11-20 05:32:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure set_clock_source_common [2021-11-20 05:32:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_primary_pll_encoded [2021-11-20 05:32:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_primary_pll_encoded [2021-11-20 05:32:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure set_color_register [2021-11-20 05:32:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_color_register [2021-11-20 05:32:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 05:32:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 05:32:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 05:32:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 05:32:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_get_best_mode [2021-11-20 05:32:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_get_best_mode [2021-11-20 05:32:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:32:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_write_mask_lvds [2021-11-20 05:32:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_write_mask_lvds [2021-11-20 05:32:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_viafb_pm_hooks_lock [2021-11-20 05:32:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_viafb_pm_hooks_lock [2021-11-20 05:32:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:32:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_write [2021-11-20 05:32:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_write [2021-11-20 05:32:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_read [2021-11-20 05:32:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_read [2021-11-20 05:32:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_read [2021-11-20 05:32:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_read [2021-11-20 05:32:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2021-11-20 05:32:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2021-11-20 05:32:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:32:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:32:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 05:32:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 05:32:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-20 05:32:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-20 05:32:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2021-11-20 05:32:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2021-11-20 05:32:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_register [2021-11-20 05:32:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_register [2021-11-20 05:32:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-20 05:32:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-20 05:32:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-11-20 05:32:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-11-20 05:32:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_disable [2021-11-20 05:32:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_disable [2021-11-20 05:32:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:32:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:32:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_vt1636_proc_write [2021-11-20 05:32:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_vt1636_proc_write [2021-11-20 05:32:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:32:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:32:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_writebyte [2021-11-20 05:32:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_writebyte [2021-11-20 05:32:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure via_gpio_set [2021-11-20 05:32:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure via_gpio_set [2021-11-20 05:32:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_timing [2021-11-20 05:32:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_timing [2021-11-20 05:32:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_address [2021-11-20 05:32:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_address [2021-11-20 05:32:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 05:32:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 05:32:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_read [2021-11-20 05:32:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_read [2021-11-20 05:32:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_enable [2021-11-20 05:32:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_enable [2021-11-20 05:32:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_probe [2021-11-20 05:32:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_probe [2021-11-20 05:32:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure odev_update [2021-11-20 05:32:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure odev_update [2021-11-20 05:32:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_read_lvds [2021-11-20 05:32:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_read_lvds [2021-11-20 05:32:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_remove [2021-11-20 05:32:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_remove [2021-11-20 05:32:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-11-20 05:32:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-11-20 05:32:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:32:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:32:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:32:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_lcd_output_path [2021-11-20 05:32:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_lcd_output_path [2021-11-20 05:32:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure via_teardown_subdevs [2021-11-20 05:32:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure via_teardown_subdevs [2021-11-20 05:32:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-20 05:32:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-20 05:32:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_var_timing_info [2021-11-20 05:32:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_var_timing_info [2021-11-20 05:32:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-11-20 05:32:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2021-11-20 05:32:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:32:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:32:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure via_resume [2021-11-20 05:32:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure via_resume [2021-11-20 05:32:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-20 05:32:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-20 05:32:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_write_regx [2021-11-20 05:32:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_write_regx [2021-11-20 05:32:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-11-20 05:32:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-11-20 05:32:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_free [2021-11-20 05:32:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_free [2021-11-20 05:32:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:32:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_add [2021-11-20 05:32:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_add [2021-11-20 05:32:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_suspend [2021-11-20 05:32:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_suspend [2021-11-20 05:32:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_sync [2021-11-20 05:32:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_sync [2021-11-20 05:32:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_probe [2021-11-20 05:32:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_probe [2021-11-20 05:32:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2021-11-20 05:32:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2021-11-20 05:32:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp0_proc_write [2021-11-20 05:32:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp0_proc_write [2021-11-20 05:32:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~VOID [2021-11-20 05:32:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~VOID [2021-11-20 05:32:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-11-20 05:32:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-11-20 05:32:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg [2021-11-20 05:32:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg [2021-11-20 05:32:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-20 05:32:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-20 05:32:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_vclock [2021-11-20 05:32:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_vclock [2021-11-20 05:32:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:32:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:32:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_get_preferred_mode [2021-11-20 05:32:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_get_preferred_mode [2021-11-20 05:32:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-20 05:32:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-20 05:32:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 05:32:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 05:32:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 05:32:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 05:32:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_2 [2021-11-20 05:32:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_2 [2021-11-20 05:32:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_set_mode [2021-11-20 05:32:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_set_mode [2021-11-20 05:32:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_query_EDID [2021-11-20 05:32:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_query_EDID [2021-11-20 05:32:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-11-20 05:32:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-11-20 05:32:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-11-20 05:32:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-11-20 05:32:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_dpa_gfx [2021-11-20 05:32:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_dpa_gfx [2021-11-20 05:32:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_secondary_pll_encoded [2021-11-20 05:32:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_secondary_pll_encoded [2021-11-20 05:32:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfpl_proc_write [2021-11-20 05:32:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfpl_proc_write [2021-11-20 05:32:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_device_setting [2021-11-20 05:32:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_device_setting [2021-11-20 05:32:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-20 05:32:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-20 05:32:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_crtc_timing [2021-11-20 05:32:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_crtc_timing [2021-11-20 05:32:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 05:32:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 05:32:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure machine_is_olpc [2021-11-20 05:32:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure machine_is_olpc [2021-11-20 05:32:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 05:32:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 05:32:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:32:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_write [2021-11-20 05:32:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_write [2021-11-20 05:32:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_show_hw_cursor [2021-11-20 05:32:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_show_hw_cursor [2021-11-20 05:32:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-11-20 05:32:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-11-20 05:32:59,428 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:32:59,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:33:03,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:33:47,422 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:33:47,459 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:33:47,461 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:33:47,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:47 BoogieIcfgContainer [2021-11-20 05:33:47,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:33:47,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:33:47,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:33:47,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:33:47,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:32:47" (1/3) ... [2021-11-20 05:33:47,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd2c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:47, skipping insertion in model container [2021-11-20 05:33:47,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:55" (2/3) ... [2021-11-20 05:33:47,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd2c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:47, skipping insertion in model container [2021-11-20 05:33:47,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:47" (3/3) ... [2021-11-20 05:33:47,481 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2021-11-20 05:33:47,487 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:33:47,487 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:33:47,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:33:47,585 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:33:47,586 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:33:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 4733 states, 3348 states have (on average 1.4369772998805257) internal successors, (4811), 3534 states have internal predecessors, (4811), 1190 states have call successors, (1190), 194 states have call predecessors, (1190), 193 states have return successors, (1171), 1110 states have call predecessors, (1171), 1171 states have call successors, (1171) [2021-11-20 05:33:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 05:33:47,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:33:47,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:33:47,708 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:33:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:33:47,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2096007740, now seen corresponding path program 1 times [2021-11-20 05:33:47,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:33:47,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623714036] [2021-11-20 05:33:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:33:47,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:33:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:33:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:33:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:33:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:33:49,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:33:49,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623714036] [2021-11-20 05:33:49,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623714036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:33:49,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:33:49,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:33:49,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428340625] [2021-11-20 05:33:49,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:33:49,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:33:49,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:33:49,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:33:49,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:33:49,280 INFO L87 Difference]: Start difference. First operand has 4733 states, 3348 states have (on average 1.4369772998805257) internal successors, (4811), 3534 states have internal predecessors, (4811), 1190 states have call successors, (1190), 194 states have call predecessors, (1190), 193 states have return successors, (1171), 1110 states have call predecessors, (1171), 1171 states have call successors, (1171) Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 05:34:09,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:11,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:18,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:25,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:30,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:32,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:37,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:39,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:41,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:44,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:46,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:48,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:50,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:51,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:52,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:57,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:59,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:35:03,151 INFO L93 Difference]: Finished difference Result 9641 states and 14896 transitions. [2021-11-20 05:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:35:03,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2021-11-20 05:35:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:35:03,233 INFO L225 Difference]: With dead ends: 9641 [2021-11-20 05:35:03,233 INFO L226 Difference]: Without dead ends: 4887 [2021-11-20 05:35:03,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:35:03,277 INFO L933 BasicCegarLoop]: 6583 mSDtfsCounter, 3022 mSDsluCounter, 8379 mSDsCounter, 0 mSdLazyCounter, 5088 mSolverCounterSat, 3177 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 14962 SdHoareTripleChecker+Invalid, 8279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3177 IncrementalHoareTripleChecker+Valid, 5088 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:35:03,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3044 Valid, 14962 Invalid, 8279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3177 Valid, 5088 Invalid, 14 Unknown, 0 Unchecked, 73.0s Time] [2021-11-20 05:35:03,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4887 states. [2021-11-20 05:35:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4887 to 4707. [2021-11-20 05:35:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 3343 states have (on average 1.430750822614418) internal successors, (4783), 3508 states have internal predecessors, (4783), 1171 states have call successors, (1171), 193 states have call predecessors, (1171), 192 states have return successors, (1162), 1101 states have call predecessors, (1162), 1162 states have call successors, (1162) [2021-11-20 05:35:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 7116 transitions. [2021-11-20 05:35:03,723 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 7116 transitions. Word has length 47 [2021-11-20 05:35:03,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:35:03,724 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 7116 transitions. [2021-11-20 05:35:03,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 05:35:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 7116 transitions. [2021-11-20 05:35:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 05:35:03,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:35:03,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:35:03,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:35:03,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:35:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:35:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1804592770, now seen corresponding path program 1 times [2021-11-20 05:35:03,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:35:03,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173799579] [2021-11-20 05:35:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:35:03,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:35:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:35:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:35:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:35:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:35:04,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:35:04,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173799579] [2021-11-20 05:35:04,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173799579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:35:04,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:35:04,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:35:04,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328982572] [2021-11-20 05:35:04,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:35:04,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:35:04,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:35:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:35:04,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:35:04,672 INFO L87 Difference]: Start difference. First operand 4707 states and 7116 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 05:35:33,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:35,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:37,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:46,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:56,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:58,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:01,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:03,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:05,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:07,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:09,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:12,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:14,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:16,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:18,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:20,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:22,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:24,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:26,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:27,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:29,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:31,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:32,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:34,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:39,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:47,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:49,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:51,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:36:54,059 INFO L93 Difference]: Finished difference Result 14409 states and 22023 transitions. [2021-11-20 05:36:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:36:54,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2021-11-20 05:36:54,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:36:54,163 INFO L225 Difference]: With dead ends: 14409 [2021-11-20 05:36:54,163 INFO L226 Difference]: Without dead ends: 9709 [2021-11-20 05:36:54,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:36:54,193 INFO L933 BasicCegarLoop]: 7365 mSDtfsCounter, 11835 mSDsluCounter, 14282 mSDsCounter, 0 mSdLazyCounter, 9337 mSolverCounterSat, 7177 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12459 SdHoareTripleChecker+Valid, 21647 SdHoareTripleChecker+Invalid, 16531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7177 IncrementalHoareTripleChecker+Valid, 9337 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:36:54,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12459 Valid, 21647 Invalid, 16531 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7177 Valid, 9337 Invalid, 17 Unknown, 0 Unchecked, 108.4s Time] [2021-11-20 05:36:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9709 states. [2021-11-20 05:36:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9709 to 9326. [2021-11-20 05:36:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9326 states, 6625 states have (on average 1.432) internal successors, (9487), 6948 states have internal predecessors, (9487), 2319 states have call successors, (2319), 382 states have call predecessors, (2319), 381 states have return successors, (2310), 2186 states have call predecessors, (2310), 2310 states have call successors, (2310) [2021-11-20 05:36:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9326 states to 9326 states and 14116 transitions. [2021-11-20 05:36:54,924 INFO L78 Accepts]: Start accepts. Automaton has 9326 states and 14116 transitions. Word has length 47 [2021-11-20 05:36:54,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:36:54,925 INFO L470 AbstractCegarLoop]: Abstraction has 9326 states and 14116 transitions. [2021-11-20 05:36:54,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 05:36:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9326 states and 14116 transitions. [2021-11-20 05:36:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 05:36:54,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:36:54,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:54,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:36:54,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:36:54,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:54,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1566654533, now seen corresponding path program 1 times [2021-11-20 05:36:54,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:54,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293090296] [2021-11-20 05:36:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:54,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:36:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:36:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:36:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:36:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:36:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:55,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:55,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293090296] [2021-11-20 05:36:55,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293090296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:55,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:55,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:36:55,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703490684] [2021-11-20 05:36:55,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:55,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:36:55,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:36:55,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:36:55,990 INFO L87 Difference]: Start difference. First operand 9326 states and 14116 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 05:37:07,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:22,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:24,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:32,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:37,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:39,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:48,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:50,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:51,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:57,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:59,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:02,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:05,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:07,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:09,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:11,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:12,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:15,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:18,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:20,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:22,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:25,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:27,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:28,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:30,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:35,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:37,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:39,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:42,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:44,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:50,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:52,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:38:57,026 INFO L93 Difference]: Finished difference Result 26140 states and 39966 transitions. [2021-11-20 05:38:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:38:57,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2021-11-20 05:38:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:38:57,167 INFO L225 Difference]: With dead ends: 26140 [2021-11-20 05:38:57,167 INFO L226 Difference]: Without dead ends: 16821 [2021-11-20 05:38:57,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:38:57,232 INFO L933 BasicCegarLoop]: 8770 mSDtfsCounter, 8722 mSDsluCounter, 15828 mSDsCounter, 0 mSdLazyCounter, 9281 mSolverCounterSat, 5434 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9148 SdHoareTripleChecker+Valid, 24598 SdHoareTripleChecker+Invalid, 14736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5434 IncrementalHoareTripleChecker+Valid, 9281 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:38:57,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9148 Valid, 24598 Invalid, 14736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5434 Valid, 9281 Invalid, 21 Unknown, 0 Unchecked, 120.0s Time] [2021-11-20 05:38:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16821 states. [2021-11-20 05:38:58,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16821 to 16300. [2021-11-20 05:38:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16300 states, 11575 states have (on average 1.438876889848812) internal successors, (16655), 12176 states have internal predecessors, (16655), 4053 states have call successors, (4053), 672 states have call predecessors, (4053), 671 states have return successors, (4044), 3810 states have call predecessors, (4044), 4044 states have call successors, (4044) [2021-11-20 05:38:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16300 states to 16300 states and 24752 transitions. [2021-11-20 05:38:58,550 INFO L78 Accepts]: Start accepts. Automaton has 16300 states and 24752 transitions. Word has length 58 [2021-11-20 05:38:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:38:58,552 INFO L470 AbstractCegarLoop]: Abstraction has 16300 states and 24752 transitions. [2021-11-20 05:38:58,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 05:38:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16300 states and 24752 transitions. [2021-11-20 05:38:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 05:38:58,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:38:58,557 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:38:58,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:38:58,558 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:38:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:38:58,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2139146841, now seen corresponding path program 1 times [2021-11-20 05:38:58,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:38:58,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353525167] [2021-11-20 05:38:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:38:58,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:38:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:38:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:38:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:38:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 05:38:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 05:38:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 05:38:59,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:38:59,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353525167] [2021-11-20 05:38:59,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353525167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:38:59,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:38:59,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:38:59,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346024553] [2021-11-20 05:38:59,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:38:59,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:38:59,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:38:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:38:59,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:38:59,437 INFO L87 Difference]: Start difference. First operand 16300 states and 24752 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 05:39:05,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:20,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:22,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:31,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:34,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:43,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:45,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:51,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:53,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:55,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:59,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:01,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:03,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:05,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:07,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:09,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:12,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:14,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:16,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:21,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:23,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:25,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:31,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:33,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:37,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:39,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:40,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:46,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:48,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:50,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:52,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:55,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:57,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:59,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:01,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:02,718 INFO L93 Difference]: Finished difference Result 49241 states and 75456 transitions. [2021-11-20 05:41:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:41:02,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2021-11-20 05:41:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:02,936 INFO L225 Difference]: With dead ends: 49241 [2021-11-20 05:41:02,936 INFO L226 Difference]: Without dead ends: 32948 [2021-11-20 05:41:03,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:41:03,005 INFO L933 BasicCegarLoop]: 7336 mSDtfsCounter, 11727 mSDsluCounter, 14273 mSDsCounter, 0 mSdLazyCounter, 9231 mSolverCounterSat, 7070 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12318 SdHoareTripleChecker+Valid, 21609 SdHoareTripleChecker+Invalid, 16326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7070 IncrementalHoareTripleChecker+Valid, 9231 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:03,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12318 Valid, 21609 Invalid, 16326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7070 Valid, 9231 Invalid, 25 Unknown, 0 Unchecked, 121.8s Time] [2021-11-20 05:41:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32948 states. [2021-11-20 05:41:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32948 to 31960. [2021-11-20 05:41:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31960 states, 22711 states have (on average 1.4406234864162741) internal successors, (32718), 23900 states have internal predecessors, (32718), 7924 states have call successors, (7924), 1325 states have call predecessors, (7924), 1324 states have return successors, (7915), 7451 states have call predecessors, (7915), 7915 states have call successors, (7915) [2021-11-20 05:41:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31960 states to 31960 states and 48557 transitions. [2021-11-20 05:41:05,890 INFO L78 Accepts]: Start accepts. Automaton has 31960 states and 48557 transitions. Word has length 61 [2021-11-20 05:41:05,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:05,891 INFO L470 AbstractCegarLoop]: Abstraction has 31960 states and 48557 transitions. [2021-11-20 05:41:05,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 05:41:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31960 states and 48557 transitions. [2021-11-20 05:41:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 05:41:05,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:05,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:05,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:41:05,904 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:05,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1775485610, now seen corresponding path program 1 times [2021-11-20 05:41:05,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:05,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938621690] [2021-11-20 05:41:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:05,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:41:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:41:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:41:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:07,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:07,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938621690] [2021-11-20 05:41:07,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938621690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:07,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:07,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:41:07,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150249365] [2021-11-20 05:41:07,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:07,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:41:07,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:41:07,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:41:07,044 INFO L87 Difference]: Start difference. First operand 31960 states and 48557 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 05:41:33,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:35,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:38,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:39,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:41,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:01,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:03,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:05,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:10,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:12,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:14,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:16,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:19,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:22,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:24,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:26,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:28,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:30,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:32,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:34,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:36,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:38,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:40,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:42,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:44,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:45,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:47,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:48,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:50,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:59,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:01,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:03,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:43:05,042 INFO L93 Difference]: Finished difference Result 65993 states and 101103 transitions. [2021-11-20 05:43:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:43:05,043 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-11-20 05:43:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:43:05,262 INFO L225 Difference]: With dead ends: 65993 [2021-11-20 05:43:05,263 INFO L226 Difference]: Without dead ends: 34040 [2021-11-20 05:43:05,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:43:05,383 INFO L933 BasicCegarLoop]: 7437 mSDtfsCounter, 6551 mSDsluCounter, 27138 mSDsCounter, 0 mSdLazyCounter, 11212 mSolverCounterSat, 4774 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7402 SdHoareTripleChecker+Valid, 34575 SdHoareTripleChecker+Invalid, 16009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4774 IncrementalHoareTripleChecker+Valid, 11212 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:43:05,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7402 Valid, 34575 Invalid, 16009 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4774 Valid, 11212 Invalid, 23 Unknown, 0 Unchecked, 116.4s Time] [2021-11-20 05:43:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34040 states. [2021-11-20 05:43:07,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34040 to 31960. [2021-11-20 05:43:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31960 states, 22711 states have (on average 1.4404473603099819) internal successors, (32714), 23900 states have internal predecessors, (32714), 7924 states have call successors, (7924), 1325 states have call predecessors, (7924), 1324 states have return successors, (7915), 7451 states have call predecessors, (7915), 7915 states have call successors, (7915) [2021-11-20 05:43:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31960 states to 31960 states and 48553 transitions. [2021-11-20 05:43:07,978 INFO L78 Accepts]: Start accepts. Automaton has 31960 states and 48553 transitions. Word has length 66 [2021-11-20 05:43:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:43:07,979 INFO L470 AbstractCegarLoop]: Abstraction has 31960 states and 48553 transitions. [2021-11-20 05:43:07,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 05:43:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 31960 states and 48553 transitions. [2021-11-20 05:43:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 05:43:07,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:43:07,983 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:43:07,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:43:07,984 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:43:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:43:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2096779860, now seen corresponding path program 1 times [2021-11-20 05:43:07,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:43:07,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622815734] [2021-11-20 05:43:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:43:07,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:43:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:43:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:43:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:43:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:43:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:43:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-20 05:43:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:43:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:43:09,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:43:09,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622815734] [2021-11-20 05:43:09,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622815734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:43:09,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:43:09,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:43:09,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307010929] [2021-11-20 05:43:09,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:43:09,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:43:09,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:43:09,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:43:09,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:43:09,481 INFO L87 Difference]: Start difference. First operand 31960 states and 48553 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 05:43:45,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:47,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:49,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:51,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:53,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:55,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:57,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:58,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:00,928 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:04,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:20,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:31,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:33,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:35,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:37,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:38,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:40,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:41,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:43,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:45,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:48,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:50,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:53,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:56,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:58,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:00,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:02,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:04,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:06,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:08,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:11,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:13,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:15,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:17,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:19,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:22,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:24,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:26,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:28,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:30,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:33,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:35,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:37,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:39,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:41,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:43,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:45,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:47,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []