/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:00:51,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:00:51,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:00:51,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:00:51,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:00:51,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:00:51,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:00:51,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:00:51,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:00:51,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:00:51,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:00:51,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:00:51,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:00:51,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:00:51,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:00:51,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:00:51,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:00:51,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:00:51,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:00:51,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:00:51,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:00:51,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:00:51,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:00:51,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:00:51,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:00:51,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:00:51,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:00:51,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:00:51,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:00:51,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:00:51,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:00:51,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:00:51,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:00:51,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:00:51,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:00:51,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:00:51,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:00:51,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:00:51,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:00:52,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:00:52,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:00:52,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:00:52,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:00:52,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:00:52,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:00:52,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:00:52,039 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:00:52,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:00:52,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:00:52,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:00:52,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:00:52,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:00:52,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:00:52,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:00:52,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:00:52,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:00:52,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:00:52,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:00:52,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:00:52,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:00:52,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:00:52,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:00:52,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:00:52,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:00:52,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:00:52,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:00:52,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:00:52,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:00:52,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:00:52,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:00:52,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:00:52,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:00:52,487 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:00:52,488 INFO L432 ainManager$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--mtd--mtd.ko-entry_point.cil.out.i [2020-12-22 14:00:52,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4efb1777/f524047afeb04409ab550e2b70e6f07a/FLAGd4af4d177 [2020-12-22 14:00:53,650 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:00:53,650 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--mtd--mtd.ko-entry_point.cil.out.i [2020-12-22 14:00:53,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4efb1777/f524047afeb04409ab550e2b70e6f07a/FLAGd4af4d177 [2020-12-22 14:00:53,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4efb1777/f524047afeb04409ab550e2b70e6f07a [2020-12-22 14:00:53,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:00:53,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:00:53,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:00:53,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:00:53,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:00:53,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:00:53" (1/1) ... [2020-12-22 14:00:53,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533ea47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:53, skipping insertion in model container [2020-12-22 14:00:53,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:00:53" (1/1) ... [2020-12-22 14:00:53,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:00:54,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:00:57,339 WARN L226 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--mtd--mtd.ko-entry_point.cil.out.i[372693,372706] [2020-12-22 14:00:57,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:00:57,507 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:00:58,317 WARN L226 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--mtd--mtd.ko-entry_point.cil.out.i[372693,372706] [2020-12-22 14:00:58,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:00:59,011 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:00:59,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59 WrapperNode [2020-12-22 14:00:59,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:00:59,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:00:59,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:00:59,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:00:59,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:00:59,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:00:59,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:00:59,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:00:59,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:00:59,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:00:59,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:00:59,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:00,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:00,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:00,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:00,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:01,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... [2020-12-22 14:01:01,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:01:01,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:01:01,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:01:01,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:01:01,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:01:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure part_get_fact_prot_info [2020-12-22 14:01:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure part_get_fact_prot_info [2020-12-22 14:01:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure part_write_oob [2020-12-22 14:01:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write_oob [2020-12-22 14:01:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_markbad [2020-12-22 14:01:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_markbad [2020-12-22 14:01:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_oob [2020-12-22 14:01:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_oob [2020-12-22 14:01:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-22 14:01:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_suspend [2020-12-22 14:01:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_suspend [2020-12-22 14:01:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:01:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:01:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2020-12-22 14:01:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2020-12-22 14:01:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure part_write_user_prot_reg [2020-12-22 14:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write_user_prot_reg [2020-12-22 14:01:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_get_user_prot_info [2020-12-22 14:01:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_get_user_prot_info [2020-12-22 14:01:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure part_read [2020-12-22 14:01:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read [2020-12-22 14:01:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure concat_write_oob [2020-12-22 14:01:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_write_oob [2020-12-22 14:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure vm_iomap_memory [2020-12-22 14:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_user_prot_reg [2020-12-22 14:01:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_user_prot_reg [2020-12-22 14:01:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure part_panic_write [2020-12-22 14:01:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure part_panic_write [2020-12-22 14:01:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure concat_unlock [2020-12-22 14:01:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_unlock [2020-12-22 14:01:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure concat_sync [2020-12-22 14:01:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_sync [2020-12-22 14:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_locked [2020-12-22 14:01:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_locked [2020-12-22 14:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_isreserved [2020-12-22 14:01:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_isreserved [2020-12-22 14:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:01:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure concat_write [2020-12-22 14:01:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_write [2020-12-22 14:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-12-22 14:01:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-12-22 14:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure part_is_locked [2020-12-22 14:01:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure part_is_locked [2020-12-22 14:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:01:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_markbad [2020-12-22 14:01:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_markbad [2020-12-22 14:01:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure concat_resume [2020-12-22 14:01:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_resume [2020-12-22 14:01:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure part_unlock [2020-12-22 14:01:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure part_unlock [2020-12-22 14:01:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_fact_prot_reg [2020-12-22 14:01:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_fact_prot_reg [2020-12-22 14:01:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_sync [2020-12-22 14:01:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_sync [2020-12-22 14:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_unpoint [2020-12-22 14:01:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_unpoint [2020-12-22 14:01:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure concat_erase [2020-12-22 14:01:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_erase [2020-12-22 14:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_erase_callback [2020-12-22 14:01:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_erase_callback [2020-12-22 14:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_isreserved [2020-12-22 14:01:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_isreserved [2020-12-22 14:01:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_fact_prot_reg [2020-12-22 14:01:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_fact_prot_reg [2020-12-22 14:01:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_resume [2020-12-22 14:01:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_resume [2020-12-22 14:01:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:01:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:01:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write_oob [2020-12-22 14:01:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write_oob [2020-12-22 14:01:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure part_write [2020-12-22 14:01:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write [2020-12-22 14:01:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure concat_lock [2020-12-22 14:01:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_lock [2020-12-22 14:01:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:01:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-12-22 14:01:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure register_mtd_user [2020-12-22 14:01:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure register_mtd_user [2020-12-22 14:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_lock_user_prot_reg [2020-12-22 14:01:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_lock_user_prot_reg [2020-12-22 14:01:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure concat_block_isbad [2020-12-22 14:01:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_block_isbad [2020-12-22 14:01:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2020-12-22 14:01:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2020-12-22 14:01:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure part_sync [2020-12-22 14:01:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure part_sync [2020-12-22 14:01:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure concat_suspend [2020-12-22 14:01:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_suspend [2020-12-22 14:01:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:01:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure __get_mtd_device [2020-12-22 14:01:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_mtd_device [2020-12-22 14:01:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_oob [2020-12-22 14:01:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_oob [2020-12-22 14:01:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure kill_mtd_super [2020-12-22 14:01:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_mtd_super [2020-12-22 14:01:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_isbad [2020-12-22 14:01:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_isbad [2020-12-22 14:01:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:01:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_erase [2020-12-22 14:01:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_erase [2020-12-22 14:01:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure concat_read [2020-12-22 14:01:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_read [2020-12-22 14:01:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure concat_read_oob [2020-12-22 14:01:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_read_oob [2020-12-22 14:01:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:01:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:01:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:01:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:01:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:01:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:01:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __put_mtd_device [2020-12-22 14:01:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_mtd_device [2020-12-22 14:01:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_get_fact_prot_info [2020-12-22 14:01:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_get_fact_prot_info [2020-12-22 14:01:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_unlock [2020-12-22 14:01:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_unlock [2020-12-22 14:01:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure part_suspend [2020-12-22 14:01:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure part_suspend [2020-12-22 14:01:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure part_unpoint [2020-12-22 14:01:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure part_unpoint [2020-12-22 14:01:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_isbad [2020-12-22 14:01:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_isbad [2020-12-22 14:01:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2020-12-22 14:01:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2020-12-22 14:01:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_user_prot_reg [2020-12-22 14:01:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_user_prot_reg [2020-12-22 14:01:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_lock [2020-12-22 14:01:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_lock [2020-12-22 14:01:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~int [2020-12-22 14:01:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~int [2020-12-22 14:01:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure part_erase [2020-12-22 14:01:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure part_erase [2020-12-22 14:01:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure concat_block_markbad [2020-12-22 14:01:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_block_markbad [2020-12-22 14:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure concat_dev_erase [2020-12-22 14:01:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_dev_erase [2020-12-22 14:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~TO~int [2020-12-22 14:01:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~TO~int [2020-12-22 14:01:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure part_resume [2020-12-22 14:01:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure part_resume [2020-12-22 14:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_cls_suspend [2020-12-22 14:01:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_cls_suspend [2020-12-22 14:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure part_lock_user_prot_reg [2020-12-22 14:01:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure part_lock_user_prot_reg [2020-12-22 14:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:01:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure part_lock [2020-12-22 14:01:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure part_lock [2020-12-22 14:01:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_panic_write [2020-12-22 14:01:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_panic_write [2020-12-22 14:01:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:01:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~~uint64_t~0~TO~int [2020-12-22 14:01:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~~uint64_t~0~TO~int [2020-12-22 14:01:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure part_get_user_prot_info [2020-12-22 14:01:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure part_get_user_prot_info [2020-12-22 14:01:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write_user_prot_reg [2020-12-22 14:01:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write_user_prot_reg [2020-12-22 14:01:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:01:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:01:36,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:01:36,586 INFO L299 CfgBuilder]: Removed 3134 assume(true) statements. [2020-12-22 14:01:36,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:01:36 BoogieIcfgContainer [2020-12-22 14:01:36,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:01:36,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:01:36,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:01:36,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:01:36,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:00:53" (1/3) ... [2020-12-22 14:01:36,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e23dc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:01:36, skipping insertion in model container [2020-12-22 14:01:36,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:00:59" (2/3) ... [2020-12-22 14:01:36,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e23dc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:01:36, skipping insertion in model container [2020-12-22 14:01:36,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:01:36" (3/3) ... [2020-12-22 14:01:36,600 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i [2020-12-22 14:01:36,607 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:01:36,614 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-22 14:01:36,634 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-22 14:01:36,676 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:01:36,676 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:01:36,676 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:01:36,676 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:01:36,676 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:01:36,677 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:01:36,677 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:01:36,677 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:01:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4570 states. [2020-12-22 14:01:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-12-22 14:01:36,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:36,775 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:36,775 INFO L429 AbstractCegarLoop]: === Iteration 1 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:36,782 INFO L82 PathProgramCache]: Analyzing trace with hash -183713943, now seen corresponding path program 1 times [2020-12-22 14:01:36,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:36,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503380860] [2020-12-22 14:01:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:38,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503380860] [2020-12-22 14:01:38,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:38,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:01:38,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081223850] [2020-12-22 14:01:38,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:01:38,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:38,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:01:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:01:38,324 INFO L87 Difference]: Start difference. First operand 4570 states. Second operand 2 states. [2020-12-22 14:01:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:38,614 INFO L93 Difference]: Finished difference Result 9112 states and 13205 transitions. [2020-12-22 14:01:38,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:01:38,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 233 [2020-12-22 14:01:38,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:01:38,676 INFO L225 Difference]: With dead ends: 9112 [2020-12-22 14:01:38,676 INFO L226 Difference]: Without dead ends: 4512 [2020-12-22 14:01:38,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:01:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-12-22 14:01:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2020-12-22 14:01:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4512 states. [2020-12-22 14:01:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6311 transitions. [2020-12-22 14:01:39,064 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6311 transitions. Word has length 233 [2020-12-22 14:01:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:01:39,064 INFO L481 AbstractCegarLoop]: Abstraction has 4512 states and 6311 transitions. [2020-12-22 14:01:39,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:01:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6311 transitions. [2020-12-22 14:01:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-12-22 14:01:39,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:39,078 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:39,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:01:39,078 INFO L429 AbstractCegarLoop]: === Iteration 2 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:39,079 INFO L82 PathProgramCache]: Analyzing trace with hash -541464559, now seen corresponding path program 1 times [2020-12-22 14:01:39,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:39,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549426559] [2020-12-22 14:01:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:40,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549426559] [2020-12-22 14:01:40,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:40,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:01:40,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603090258] [2020-12-22 14:01:40,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:01:40,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:40,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:01:40,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:40,282 INFO L87 Difference]: Start difference. First operand 4512 states and 6311 transitions. Second operand 3 states. [2020-12-22 14:01:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:42,985 INFO L93 Difference]: Finished difference Result 13039 states and 18418 transitions. [2020-12-22 14:01:42,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:01:42,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-12-22 14:01:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:01:43,050 INFO L225 Difference]: With dead ends: 13039 [2020-12-22 14:01:43,050 INFO L226 Difference]: Without dead ends: 8742 [2020-12-22 14:01:43,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:43,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8742 states. [2020-12-22 14:01:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8742 to 8728. [2020-12-22 14:01:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8728 states. [2020-12-22 14:01:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 12316 transitions. [2020-12-22 14:01:43,406 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 12316 transitions. Word has length 233 [2020-12-22 14:01:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:01:43,414 INFO L481 AbstractCegarLoop]: Abstraction has 8728 states and 12316 transitions. [2020-12-22 14:01:43,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:01:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 12316 transitions. [2020-12-22 14:01:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-22 14:01:43,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:43,423 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:43,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:01:43,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:43,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:43,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1485629854, now seen corresponding path program 1 times [2020-12-22 14:01:43,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:43,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451893576] [2020-12-22 14:01:43,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:44,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451893576] [2020-12-22 14:01:44,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:44,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:01:44,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284255741] [2020-12-22 14:01:44,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:01:44,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:44,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:01:44,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:44,840 INFO L87 Difference]: Start difference. First operand 8728 states and 12316 transitions. Second operand 3 states. [2020-12-22 14:01:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:45,387 INFO L93 Difference]: Finished difference Result 25738 states and 36743 transitions. [2020-12-22 14:01:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:01:45,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-22 14:01:45,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:01:45,528 INFO L225 Difference]: With dead ends: 25738 [2020-12-22 14:01:45,528 INFO L226 Difference]: Without dead ends: 17220 [2020-12-22 14:01:45,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17220 states. [2020-12-22 14:01:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17220 to 17199. [2020-12-22 14:01:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17199 states. [2020-12-22 14:01:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17199 states to 17199 states and 24486 transitions. [2020-12-22 14:01:46,337 INFO L78 Accepts]: Start accepts. Automaton has 17199 states and 24486 transitions. Word has length 235 [2020-12-22 14:01:46,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:01:46,339 INFO L481 AbstractCegarLoop]: Abstraction has 17199 states and 24486 transitions. [2020-12-22 14:01:46,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:01:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 17199 states and 24486 transitions. [2020-12-22 14:01:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-22 14:01:46,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:46,345 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:46,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:01:46,345 INFO L429 AbstractCegarLoop]: === Iteration 4 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash 129233594, now seen corresponding path program 1 times [2020-12-22 14:01:46,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:46,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576273970] [2020-12-22 14:01:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:47,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576273970] [2020-12-22 14:01:47,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:47,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:01:47,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370052475] [2020-12-22 14:01:47,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:01:47,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:47,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:01:47,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:47,534 INFO L87 Difference]: Start difference. First operand 17199 states and 24486 transitions. Second operand 3 states. [2020-12-22 14:01:48,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:48,974 INFO L93 Difference]: Finished difference Result 50773 states and 72342 transitions. [2020-12-22 14:01:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:01:48,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-22 14:01:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:01:49,115 INFO L225 Difference]: With dead ends: 50773 [2020-12-22 14:01:49,115 INFO L226 Difference]: Without dead ends: 33789 [2020-12-22 14:01:49,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33789 states. [2020-12-22 14:01:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33789 to 33707. [2020-12-22 14:01:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33707 states. [2020-12-22 14:01:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33707 states to 33707 states and 47996 transitions. [2020-12-22 14:01:50,502 INFO L78 Accepts]: Start accepts. Automaton has 33707 states and 47996 transitions. Word has length 241 [2020-12-22 14:01:50,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:01:50,502 INFO L481 AbstractCegarLoop]: Abstraction has 33707 states and 47996 transitions. [2020-12-22 14:01:50,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:01:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 33707 states and 47996 transitions. [2020-12-22 14:01:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-22 14:01:50,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:50,510 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:50,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:01:50,511 INFO L429 AbstractCegarLoop]: === Iteration 5 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:50,511 INFO L82 PathProgramCache]: Analyzing trace with hash 2041312555, now seen corresponding path program 1 times [2020-12-22 14:01:50,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:50,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790911146] [2020-12-22 14:01:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:51,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790911146] [2020-12-22 14:01:51,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:51,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:01:51,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594747937] [2020-12-22 14:01:51,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:01:51,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:51,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:01:51,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:51,689 INFO L87 Difference]: Start difference. First operand 33707 states and 47996 transitions. Second operand 3 states. [2020-12-22 14:01:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:53,019 INFO L93 Difference]: Finished difference Result 70877 states and 101146 transitions. [2020-12-22 14:01:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:01:53,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-12-22 14:01:53,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:01:53,163 INFO L225 Difference]: With dead ends: 70877 [2020-12-22 14:01:53,163 INFO L226 Difference]: Without dead ends: 37385 [2020-12-22 14:01:53,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:53,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37385 states. [2020-12-22 14:01:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37385 to 37327. [2020-12-22 14:01:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37327 states. [2020-12-22 14:01:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37327 states to 37327 states and 53308 transitions. [2020-12-22 14:01:54,952 INFO L78 Accepts]: Start accepts. Automaton has 37327 states and 53308 transitions. Word has length 289 [2020-12-22 14:01:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:01:54,953 INFO L481 AbstractCegarLoop]: Abstraction has 37327 states and 53308 transitions. [2020-12-22 14:01:54,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:01:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 37327 states and 53308 transitions. [2020-12-22 14:01:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-22 14:01:54,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:01:54,961 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:01:54,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:01:54,961 INFO L429 AbstractCegarLoop]: === Iteration 6 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:01:54,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:01:54,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1197629839, now seen corresponding path program 1 times [2020-12-22 14:01:54,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:01:54,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575375230] [2020-12-22 14:01:54,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:01:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:01:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:01:56,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575375230] [2020-12-22 14:01:56,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:01:56,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:01:56,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537422147] [2020-12-22 14:01:56,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:01:56,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:01:56,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:01:56,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:01:56,304 INFO L87 Difference]: Start difference. First operand 37327 states and 53308 transitions. Second operand 3 states. [2020-12-22 14:01:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:01:59,851 INFO L93 Difference]: Finished difference Result 92257 states and 131970 transitions. [2020-12-22 14:01:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:01:59,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-12-22 14:01:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:02:00,093 INFO L225 Difference]: With dead ends: 92257 [2020-12-22 14:02:00,094 INFO L226 Difference]: Without dead ends: 55145 [2020-12-22 14:02:00,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:02:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55145 states. [2020-12-22 14:02:01,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55145 to 55063. [2020-12-22 14:02:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55063 states. [2020-12-22 14:02:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55063 states to 55063 states and 78638 transitions. [2020-12-22 14:02:02,179 INFO L78 Accepts]: Start accepts. Automaton has 55063 states and 78638 transitions. Word has length 292 [2020-12-22 14:02:02,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:02:02,180 INFO L481 AbstractCegarLoop]: Abstraction has 55063 states and 78638 transitions. [2020-12-22 14:02:02,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:02:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 55063 states and 78638 transitions. [2020-12-22 14:02:02,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-12-22 14:02:02,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:02:02,191 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:02:02,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:02:02,191 INFO L429 AbstractCegarLoop]: === Iteration 7 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:02:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:02:02,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1362589949, now seen corresponding path program 1 times [2020-12-22 14:02:02,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:02:02,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702572206] [2020-12-22 14:02:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:02:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:02:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-22 14:02:05,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702572206] [2020-12-22 14:02:05,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:02:05,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:02:05,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525201121] [2020-12-22 14:02:05,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:02:05,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:02:05,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:02:05,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:02:05,783 INFO L87 Difference]: Start difference. First operand 55063 states and 78638 transitions. Second operand 3 states. [2020-12-22 14:02:07,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:02:07,374 INFO L93 Difference]: Finished difference Result 110070 states and 157367 transitions. [2020-12-22 14:02:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:02:07,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-12-22 14:02:07,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:02:07,611 INFO L225 Difference]: With dead ends: 110070 [2020-12-22 14:02:07,612 INFO L226 Difference]: Without dead ends: 55211 [2020-12-22 14:02:07,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:02:07,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55211 states. [2020-12-22 14:02:09,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55211 to 55211. [2020-12-22 14:02:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55211 states. [2020-12-22 14:02:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55211 states to 55211 states and 78786 transitions. [2020-12-22 14:02:09,525 INFO L78 Accepts]: Start accepts. Automaton has 55211 states and 78786 transitions. Word has length 312 [2020-12-22 14:02:09,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:02:09,526 INFO L481 AbstractCegarLoop]: Abstraction has 55211 states and 78786 transitions. [2020-12-22 14:02:09,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:02:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 55211 states and 78786 transitions. [2020-12-22 14:02:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-12-22 14:02:09,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:02:09,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:02:09,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:02:09,537 INFO L429 AbstractCegarLoop]: === Iteration 8 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:02:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:02:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash 20042375, now seen corresponding path program 1 times [2020-12-22 14:02:09,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:02:09,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825871260] [2020-12-22 14:02:09,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:02:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:02:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-22 14:02:12,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825871260] [2020-12-22 14:02:12,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304246286] [2020-12-22 14:02:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 14:02:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:02:15,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 9605 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 14:02:15,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 14:02:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 14:02:16,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 14:02:16,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2020-12-22 14:02:16,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647995487] [2020-12-22 14:02:16,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:02:16,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:02:16,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:02:16,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 14:02:16,316 INFO L87 Difference]: Start difference. First operand 55211 states and 78786 transitions. Second operand 5 states. [2020-12-22 14:02:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:02:20,931 INFO L93 Difference]: Finished difference Result 110787 states and 158128 transitions. [2020-12-22 14:02:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 14:02:20,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 316 [2020-12-22 14:02:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:02:21,157 INFO L225 Difference]: With dead ends: 110787 [2020-12-22 14:02:21,157 INFO L226 Difference]: Without dead ends: 55741 [2020-12-22 14:02:21,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-22 14:02:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55741 states. [2020-12-22 14:02:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55741 to 55180. [2020-12-22 14:02:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55180 states. [2020-12-22 14:02:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55180 states to 55180 states and 78726 transitions. [2020-12-22 14:02:23,493 INFO L78 Accepts]: Start accepts. Automaton has 55180 states and 78726 transitions. Word has length 316 [2020-12-22 14:02:23,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:02:23,494 INFO L481 AbstractCegarLoop]: Abstraction has 55180 states and 78726 transitions. [2020-12-22 14:02:23,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:02:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 55180 states and 78726 transitions. [2020-12-22 14:02:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-22 14:02:23,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:02:23,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:02:23,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-22 14:02:23,720 INFO L429 AbstractCegarLoop]: === Iteration 9 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:02:23,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:02:23,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2087009555, now seen corresponding path program 1 times [2020-12-22 14:02:23,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:02:23,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418835425] [2020-12-22 14:02:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:02:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:02:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 14:02:25,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418835425] [2020-12-22 14:02:25,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:02:25,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:02:25,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940862917] [2020-12-22 14:02:25,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:02:25,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:02:25,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:02:25,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:02:25,309 INFO L87 Difference]: Start difference. First operand 55180 states and 78726 transitions. Second operand 4 states. [2020-12-22 14:02:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:02:26,770 INFO L93 Difference]: Finished difference Result 110173 states and 157267 transitions. [2020-12-22 14:02:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:02:26,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 329 [2020-12-22 14:02:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:02:26,968 INFO L225 Difference]: With dead ends: 110173 [2020-12-22 14:02:26,969 INFO L226 Difference]: Without dead ends: 55200 [2020-12-22 14:02:27,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:02:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55200 states. [2020-12-22 14:02:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55200 to 55182. [2020-12-22 14:02:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55182 states. [2020-12-22 14:02:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55182 states to 55182 states and 78722 transitions. [2020-12-22 14:02:29,006 INFO L78 Accepts]: Start accepts. Automaton has 55182 states and 78722 transitions. Word has length 329 [2020-12-22 14:02:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:02:29,007 INFO L481 AbstractCegarLoop]: Abstraction has 55182 states and 78722 transitions. [2020-12-22 14:02:29,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:02:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55182 states and 78722 transitions. [2020-12-22 14:02:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-22 14:02:29,016 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:02:29,017 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:02:29,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:02:29,017 INFO L429 AbstractCegarLoop]: === Iteration 10 === [__get_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:02:29,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:02:29,019 INFO L82 PathProgramCache]: Analyzing trace with hash 207878609, now seen corresponding path program 1 times [2020-12-22 14:02:29,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:02:29,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366109019] [2020-12-22 14:02:29,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:02:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:02:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-22 14:02:31,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366109019] [2020-12-22 14:02:31,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727223051] [2020-12-22 14:02:31,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true