./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-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:15:42,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:15:42,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:15:42,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:15:42,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:15:42,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:15:42,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:15:42,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:15:42,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:15:42,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:15:42,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:15:42,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:15:42,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:15:42,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:15:42,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:15:42,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:15:42,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:15:42,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:15:42,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:15:42,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:15:42,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:15:42,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:15:42,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:15:42,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:15:42,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:15:42,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:15:42,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:15:42,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:15:42,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:15:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:15:42,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:15:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:15:42,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:15:42,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:15:42,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:15:42,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:15:42,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:15:42,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:15:42,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:15:42,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:15:42,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:15:42,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:15:42,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:15:42,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:15:42,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:15:42,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:15:42,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:15:42,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:15:42,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:15:42,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:15:42,971 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:15:42,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:15:42,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:15:42,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:15:42,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:15:42,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:15:42,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:15:42,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:15:42,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:15:42,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:15:42,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:15:42,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:15:42,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f [2021-12-28 04:15:43,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:15:43,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:15:43,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:15:43,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:15:43,254 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:15:43,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-28 04:15:43,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8096530e5/66363bec88804bf9b5dd43e9e99d4359/FLAG84fc6cdfc [2021-12-28 04:15:43,919 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:15:43,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-28 04:15:43,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8096530e5/66363bec88804bf9b5dd43e9e99d4359/FLAG84fc6cdfc [2021-12-28 04:15:44,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8096530e5/66363bec88804bf9b5dd43e9e99d4359 [2021-12-28 04:15:44,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:15:44,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:15:44,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:15:44,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:15:44,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:15:44,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:15:44" (1/1) ... [2021-12-28 04:15:44,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc66666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:44, skipping insertion in model container [2021-12-28 04:15:44,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:15:44" (1/1) ... [2021-12-28 04:15:44,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:15:44,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:15:46,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-12-28 04:15:46,387 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:15:46,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:15:46,472 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:15:46,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-12-28 04:15:46,825 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:15:46,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:15:46,996 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:15:46,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46 WrapperNode [2021-12-28 04:15:46,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:15:46,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:15:46,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:15:46,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:15:47,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,566 INFO L137 Inliner]: procedures = 416, calls = 9044, calls flagged for inlining = 161, calls inlined = 152, statements flattened = 14316 [2021-12-28 04:15:47,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:15:47,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:15:47,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:15:47,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:15:47,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:47,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:48,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:48,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:15:48,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:15:48,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:15:48,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:15:48,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (1/1) ... [2021-12-28 04:15:48,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:15:48,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:15:48,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:15:48,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:15:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_vfreq [2021-12-28 04:15:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_vfreq [2021-12-28 04:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 04:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure fb_create_modedb [2021-12-28 04:15:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_create_modedb [2021-12-28 04:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:15:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_mkwrite [2021-12-28 04:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_mkwrite [2021-12-28 04:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_dclk [2021-12-28 04:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_dclk [2021-12-28 04:15:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_limits_block [2021-12-28 04:15:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_limits_block [2021-12-28 04:15:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_monitor_block [2021-12-28 04:15:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_monitor_block [2021-12-28 04:15:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:15:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:15:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:15:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:15:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure put_fb_info [2021-12-28 04:15:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_fb_info [2021-12-28 04:15:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2021-12-28 04:15:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2021-12-28 04:15:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_timing_block [2021-12-28 04:15:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_timing_block [2021-12-28 04:15:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:15:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure pm_vt_switch_required [2021-12-28 04:15:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_vt_switch_required [2021-12-28 04:15:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_ascii_block [2021-12-28 04:15:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_ascii_block [2021-12-28 04:15:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:15:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:15:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:15:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:15:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:15:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:15:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_hfreq [2021-12-28 04:15:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_hfreq [2021-12-28 04:15:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_framebuffer [2021-12-28 04:15:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_framebuffer [2021-12-28 04:15:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fault [2021-12-28 04:15:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fault [2021-12-28 04:15:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_show [2021-12-28 04:15:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_show [2021-12-28 04:15:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure fb_pan_display [2021-12-28 04:15:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_pan_display [2021-12-28 04:15:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure fb_be_math [2021-12-28 04:15:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_be_math [2021-12-28 04:15:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:15:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2021-12-28 04:15:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2021-12-28 04:15:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_vblank [2021-12-28 04:15:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_vblank [2021-12-28 04:15:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:15:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:15:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:15:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure fb_getput_cmap [2021-12-28 04:15:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_getput_cmap [2021-12-28 04:15:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:15:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mode_is_equal [2021-12-28 04:15:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mode_is_equal [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo_line [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo_line [2021-12-28 04:15:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:15:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode_cvt [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode_cvt [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure do_fb_ioctl [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fb_ioctl [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_logocmap [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_logocmap [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure fb_copy_cmap [2021-12-28 04:15:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_copy_cmap [2021-12-28 04:15:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure fb_notifier_call_chain [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_notifier_call_chain [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure edid_check_header [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_check_header [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_set_page_dirty [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_set_page_dirty [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure calc_mode_timings [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_mode_timings [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure fb_ioctl [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_ioctl [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:15:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:15:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure fb_write [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_write [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:15:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:15:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure edid_checksum [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_checksum [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_conflicting_framebuffers [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_conflicting_framebuffers [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure fb_release [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_release [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_fb_info [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fb_info [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-12-28 04:15:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:15:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_work [2021-12-28 04:15:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_work [2021-12-28 04:15:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-28 04:15:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-28 04:15:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-28 04:15:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-28 04:15:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-28 04:15:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-28 04:15:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:15:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fsync [2021-12-28 04:15:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fsync [2021-12-28 04:15:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:15:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:15:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:15:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:15:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure proc_fb_open [2021-12-28 04:15:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_fb_open [2021-12-28 04:15:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_serial_block [2021-12-28 04:15:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_serial_block [2021-12-28 04:15:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:15:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:15:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_fb_info [2021-12-28 04:15:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_fb_info [2021-12-28 04:15:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_std_timing [2021-12-28 04:15:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_std_timing [2021-12-28 04:15:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_cmap [2021-12-28 04:15:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_cmap [2021-12-28 04:15:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:15:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:15:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure file_fb_info [2021-12-28 04:15:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure file_fb_info [2021-12-28 04:15:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_page [2021-12-28 04:15:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_page [2021-12-28 04:15:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mmap [2021-12-28 04:15:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mmap [2021-12-28 04:15:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_from_videomode [2021-12-28 04:15:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_from_videomode [2021-12-28 04:15:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-28 04:15:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-28 04:15:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure fb_compat_ioctl [2021-12-28 04:15:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_compat_ioctl [2021-12-28 04:15:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-12-28 04:15:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-12-28 04:15:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure lock_fb_info [2021-12-28 04:15:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_fb_info [2021-12-28 04:15:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:15:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:15:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:15:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:15:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure safe_shift [2021-12-28 04:15:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_shift [2021-12-28 04:15:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:15:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_open [2021-12-28 04:15:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_open [2021-12-28 04:15:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-12-28 04:15:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-12-28 04:15:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:15:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:15:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure fb_read [2021-12-28 04:15:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_read [2021-12-28 04:15:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:15:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:15:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:15:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:15:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:15:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:15:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure fb_open [2021-12-28 04:15:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_open [2021-12-28 04:15:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-12-28 04:15:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-12-28 04:15:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-28 04:15:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-28 04:15:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure fb_blank [2021-12-28 04:15:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_blank [2021-12-28 04:15:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-28 04:15:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-28 04:15:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-28 04:15:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-28 04:15:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:15:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:15:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_fscreeninfo [2021-12-28 04:15:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_fscreeninfo [2021-12-28 04:15:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure fix_edid [2021-12-28 04:15:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_edid [2021-12-28 04:15:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure check_edid [2021-12-28 04:15:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure check_edid [2021-12-28 04:15:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap_gfp [2021-12-28 04:15:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap_gfp [2021-12-28 04:15:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:15:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:15:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_hblank_by_hfreq [2021-12-28 04:15:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_hblank_by_hfreq [2021-12-28 04:15:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_detailed_timing [2021-12-28 04:15:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_detailed_timing [2021-12-28 04:15:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_stop [2021-12-28 04:15:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_stop [2021-12-28 04:15:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:15:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:15:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:15:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo [2021-12-28 04:15:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo [2021-12-28 04:15:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure copy_string [2021-12-28 04:15:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_string [2021-12-28 04:15:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-28 04:15:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-28 04:15:49,101 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:15:49,103 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:16:03,489 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:16:49,881 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:16:49,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:16:49,904 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:16:49,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:49 BoogieIcfgContainer [2021-12-28 04:16:49,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:16:49,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:16:49,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:16:49,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:16:49,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:15:44" (1/3) ... [2021-12-28 04:16:49,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14941a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:49, skipping insertion in model container [2021-12-28 04:16:49,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:15:46" (2/3) ... [2021-12-28 04:16:49,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14941a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:49, skipping insertion in model container [2021-12-28 04:16:49,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:49" (3/3) ... [2021-12-28 04:16:49,916 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-28 04:16:49,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:16:49,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:16:49,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:16:49,976 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:16:49,976 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:16:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) [2021-12-28 04:16:50,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-28 04:16:50,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:16:50,056 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:16:50,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:16:50,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:16:50,061 INFO L85 PathProgramCache]: Analyzing trace with hash -676214012, now seen corresponding path program 1 times [2021-12-28 04:16:50,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:16:50,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980428164] [2021-12-28 04:16:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:16:50,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:16:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:16:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:16:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:16:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:16:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:16:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:16:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:16:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:16:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:16:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:16:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:16:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 04:16:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 04:16:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 04:16:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:16:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:16:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:16:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 04:16:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:16:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-28 04:16:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:16:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-12-28 04:16:51,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:16:51,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980428164] [2021-12-28 04:16:51,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980428164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:16:51,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:16:51,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:16:51,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179791302] [2021-12-28 04:16:51,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:16:51,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:16:51,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:16:51,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:16:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:16:51,691 INFO L87 Difference]: Start difference. First operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)