./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:45:04,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:45:04,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:45:04,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:45:04,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:45:04,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:45:04,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:45:04,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:45:04,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:45:04,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:45:04,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:45:04,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:45:04,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:45:04,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:45:04,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:45:04,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:45:04,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:45:04,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:45:04,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:45:04,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:45:04,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:45:04,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:45:04,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:45:04,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:45:04,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:45:04,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:45:04,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:45:04,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:45:04,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:45:04,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:45:04,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:45:04,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:45:04,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:45:04,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:45:04,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:45:04,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:45:04,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:45:04,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:45:04,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:45:04,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:45:04,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:45:04,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:45:04,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:45:04,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:45:04,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:45:04,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:45:04,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:45:04,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:45:04,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:45:04,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:45:04,785 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:45:04,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:45:04,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:45:04,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:45:04,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:45:04,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:45:04,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:45:04,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:45:04,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:45:04,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:45:04,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:45:04,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:45:04,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:45:04,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:04,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:45:04,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:45:04,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:45:04,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:45:04,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:45:04,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:45:04,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:45:04,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:45:04,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:45:04,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c [2021-12-22 14:45:05,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:45:05,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:45:05,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:45:05,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:45:05,217 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:45:05,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2021-12-22 14:45:05,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5fb6f7d/9c07417fd58348beb826d01078f9a151/FLAGdfa406bff [2021-12-22 14:45:06,205 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:45:06,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2021-12-22 14:45:06,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5fb6f7d/9c07417fd58348beb826d01078f9a151/FLAGdfa406bff [2021-12-22 14:45:06,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e5fb6f7d/9c07417fd58348beb826d01078f9a151 [2021-12-22 14:45:06,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:45:06,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:45:06,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:06,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:45:06,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:45:06,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:06" (1/1) ... [2021-12-22 14:45:06,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b3928e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:06, skipping insertion in model container [2021-12-22 14:45:06,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:06" (1/1) ... [2021-12-22 14:45:06,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:45:06,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:45:06,818 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-22 14:45:06,818 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4383-4384] [2021-12-22 14:45:07,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i[138207,138220] [2021-12-22 14:45:08,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:08,121 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:45:08,270 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-22 14:45:08,272 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4383-4384] [2021-12-22 14:45:08,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i[138207,138220] [2021-12-22 14:45:08,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:08,875 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:45:08,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08 WrapperNode [2021-12-22 14:45:08,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:08,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:08,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:45:08,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:45:08,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:08,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,195 INFO L137 Inliner]: procedures = 289, calls = 2820, calls flagged for inlining = 154, calls inlined = 150, statements flattened = 6493 [2021-12-22 14:45:09,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:09,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:45:09,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:45:09,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:45:09,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:45:09,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:45:09,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:45:09,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:45:09,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (1/1) ... [2021-12-22 14:45:09,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:09,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:45:09,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:45:09,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:45:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_append [2021-12-22 14:45:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_append [2021-12-22 14:45:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2021-12-22 14:45:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2021-12-22 14:45:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2021-12-22 14:45:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2021-12-22 14:45:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:45:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:45:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:45:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:45:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2021-12-22 14:45:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2021-12-22 14:45:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2021-12-22 14:45:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2021-12-22 14:45:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2021-12-22 14:45:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2021-12-22 14:45:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:45:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:45:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:45:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:45:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2021-12-22 14:45:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2021-12-22 14:45:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2021-12-22 14:45:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2021-12-22 14:45:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-22 14:45:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-22 14:45:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:45:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:45:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2021-12-22 14:45:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2021-12-22 14:45:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2021-12-22 14:45:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2021-12-22 14:45:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2021-12-22 14:45:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2021-12-22 14:45:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-22 14:45:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-22 14:45:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 14:45:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 14:45:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-12-22 14:45:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-12-22 14:45:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:45:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:45:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2021-12-22 14:45:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2021-12-22 14:45:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 14:45:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 14:45:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2021-12-22 14:45:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2021-12-22 14:45:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:45:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:45:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2021-12-22 14:45:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2021-12-22 14:45:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:45:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:45:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:45:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:45:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-22 14:45:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-22 14:45:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:45:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:45:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2021-12-22 14:45:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2021-12-22 14:45:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2021-12-22 14:45:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2021-12-22 14:45:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:45:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:45:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:45:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 14:45:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 14:45:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2021-12-22 14:45:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2021-12-22 14:45:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:45:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:45:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:45:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 14:45:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 14:45:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:45:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:45:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2021-12-22 14:45:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2021-12-22 14:45:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2021-12-22 14:45:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2021-12-22 14:45:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2021-12-22 14:45:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2021-12-22 14:45:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 14:45:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 14:45:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:45:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2021-12-22 14:45:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2021-12-22 14:45:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2021-12-22 14:45:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2021-12-22 14:45:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:45:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2021-12-22 14:45:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2021-12-22 14:45:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:45:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:45:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:45:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:45:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2021-12-22 14:45:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2021-12-22 14:45:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-22 14:45:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-22 14:45:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2021-12-22 14:45:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2021-12-22 14:45:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 14:45:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 14:45:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-22 14:45:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-22 14:45:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:45:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2021-12-22 14:45:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2021-12-22 14:45:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:45:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:45:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2021-12-22 14:45:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2021-12-22 14:45:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:45:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:45:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2021-12-22 14:45:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2021-12-22 14:45:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:45:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:45:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:45:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2021-12-22 14:45:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2021-12-22 14:45:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2021-12-22 14:45:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2021-12-22 14:45:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:45:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:45:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:45:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2021-12-22 14:45:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2021-12-22 14:45:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:45:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:45:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2021-12-22 14:45:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2021-12-22 14:45:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 14:45:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 14:45:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:45:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:45:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 14:45:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 14:45:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:45:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2021-12-22 14:45:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2021-12-22 14:45:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:45:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:45:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-22 14:45:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-22 14:45:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:45:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:45:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2021-12-22 14:45:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2021-12-22 14:45:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-22 14:45:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-22 14:45:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:45:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-22 14:45:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-22 14:45:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-22 14:45:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-22 14:45:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 14:45:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 14:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-22 14:45:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-22 14:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:45:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:45:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:45:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-22 14:45:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-22 14:45:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-22 14:45:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-22 14:45:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_remove_one [2021-12-22 14:45:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_remove_one [2021-12-22 14:45:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2021-12-22 14:45:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2021-12-22 14:45:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2021-12-22 14:45:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2021-12-22 14:45:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2021-12-22 14:45:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2021-12-22 14:45:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 14:45:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 14:45:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-12-22 14:45:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2021-12-22 14:45:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 14:45:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:45:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-22 14:45:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:45:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-22 14:45:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-22 14:45:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2021-12-22 14:45:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2021-12-22 14:45:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:45:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:45:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2021-12-22 14:45:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2021-12-22 14:45:10,477 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:45:10,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:45:10,599 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:45:16,887 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:45:16,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:45:16,911 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:45:16,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:16 BoogieIcfgContainer [2021-12-22 14:45:16,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:45:16,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:45:16,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:45:16,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:45:16,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:45:06" (1/3) ... [2021-12-22 14:45:16,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce79417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:16, skipping insertion in model container [2021-12-22 14:45:16,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:08" (2/3) ... [2021-12-22 14:45:16,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce79417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:16, skipping insertion in model container [2021-12-22 14:45:16,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:16" (3/3) ... [2021-12-22 14:45:16,923 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dc395x.ko-entry_point.cil.out.i [2021-12-22 14:45:16,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:45:16,930 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:45:16,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:45:16,983 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:45:16,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:45:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 2189 states, 1519 states have (on average 1.3429888084265964) internal successors, (2040), 1580 states have internal predecessors, (2040), 574 states have call successors, (574), 95 states have call predecessors, (574), 94 states have return successors, (568), 554 states have call predecessors, (568), 568 states have call successors, (568) [2021-12-22 14:45:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-22 14:45:17,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:17,056 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:45:17,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:17,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash -337854828, now seen corresponding path program 1 times [2021-12-22 14:45:17,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:17,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098028911] [2021-12-22 14:45:17,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:17,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 14:45:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-22 14:45:17,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:17,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098028911] [2021-12-22 14:45:17,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098028911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:17,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:17,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:45:17,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506497785] [2021-12-22 14:45:17,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:17,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:45:17,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:17,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:45:17,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:45:17,800 INFO L87 Difference]: Start difference. First operand has 2189 states, 1519 states have (on average 1.3429888084265964) internal successors, (2040), 1580 states have internal predecessors, (2040), 574 states have call successors, (574), 95 states have call predecessors, (574), 94 states have return successors, (568), 554 states have call predecessors, (568), 568 states have call successors, (568) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-22 14:45:29,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:29,101 INFO L93 Difference]: Finished difference Result 6810 states and 10096 transitions. [2021-12-22 14:45:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:45:29,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2021-12-22 14:45:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:29,146 INFO L225 Difference]: With dead ends: 6810 [2021-12-22 14:45:29,147 INFO L226 Difference]: Without dead ends: 4582 [2021-12-22 14:45:29,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:45:29,166 INFO L933 BasicCegarLoop]: 3393 mSDtfsCounter, 4786 mSDsluCounter, 4375 mSDsCounter, 0 mSdLazyCounter, 4603 mSolverCounterSat, 3294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5169 SdHoareTripleChecker+Valid, 7768 SdHoareTripleChecker+Invalid, 7897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3294 IncrementalHoareTripleChecker+Valid, 4603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:29,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5169 Valid, 7768 Invalid, 7897 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3294 Valid, 4603 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2021-12-22 14:45:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-12-22 14:45:29,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4028. [2021-12-22 14:45:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4028 states, 2785 states have (on average 1.3296229802513464) internal successors, (3703), 2887 states have internal predecessors, (3703), 1058 states have call successors, (1058), 183 states have call predecessors, (1058), 184 states have return successors, (1074), 1031 states have call predecessors, (1074), 1057 states have call successors, (1074) [2021-12-22 14:45:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 5835 transitions. [2021-12-22 14:45:29,479 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 5835 transitions. Word has length 46 [2021-12-22 14:45:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:29,480 INFO L470 AbstractCegarLoop]: Abstraction has 4028 states and 5835 transitions. [2021-12-22 14:45:29,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-22 14:45:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 5835 transitions. [2021-12-22 14:45:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-22 14:45:29,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:29,499 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-12-22 14:45:29,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:45:29,500 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1977840207, now seen corresponding path program 1 times [2021-12-22 14:45:29,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:29,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700309293] [2021-12-22 14:45:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:29,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 14:45:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:45:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 14:45:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:45:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 14:45:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:45:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-22 14:45:29,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:29,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700309293] [2021-12-22 14:45:29,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700309293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:29,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:29,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:45:29,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211899255] [2021-12-22 14:45:29,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:29,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:45:29,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:29,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:45:29,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:45:29,829 INFO L87 Difference]: Start difference. First operand 4028 states and 5835 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 14:45:38,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:43,914 INFO L93 Difference]: Finished difference Result 12567 states and 18492 transitions. [2021-12-22 14:45:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 14:45:43,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2021-12-22 14:45:43,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:43,965 INFO L225 Difference]: With dead ends: 12567 [2021-12-22 14:45:43,966 INFO L226 Difference]: Without dead ends: 8552 [2021-12-22 14:45:43,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-22 14:45:43,986 INFO L933 BasicCegarLoop]: 3583 mSDtfsCounter, 5891 mSDsluCounter, 4281 mSDsCounter, 0 mSdLazyCounter, 6637 mSolverCounterSat, 4705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6362 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 11342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4705 IncrementalHoareTripleChecker+Valid, 6637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:43,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6362 Valid, 7864 Invalid, 11342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4705 Valid, 6637 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2021-12-22 14:45:43,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2021-12-22 14:45:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 7336. [2021-12-22 14:45:44,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7336 states, 5066 states have (on average 1.3266877220686932) internal successors, (6721), 5257 states have internal predecessors, (6721), 1920 states have call successors, (1920), 346 states have call predecessors, (1920), 349 states have return successors, (1953), 1867 states have call predecessors, (1953), 1919 states have call successors, (1953) [2021-12-22 14:45:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10594 transitions. [2021-12-22 14:45:44,382 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10594 transitions. Word has length 106 [2021-12-22 14:45:44,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:44,382 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10594 transitions. [2021-12-22 14:45:44,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 14:45:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10594 transitions. [2021-12-22 14:45:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-22 14:45:44,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:44,395 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:45:44,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:45:44,396 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:44,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1772554354, now seen corresponding path program 1 times [2021-12-22 14:45:44,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:44,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723764908] [2021-12-22 14:45:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:44,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 14:45:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:45:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:45:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:45:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:45:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 14:45:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 14:45:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-22 14:45:44,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:44,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723764908] [2021-12-22 14:45:44,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723764908] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:44,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:44,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:45:44,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275607851] [2021-12-22 14:45:44,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:44,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:45:44,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:45:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:45:44,742 INFO L87 Difference]: Start difference. First operand 7336 states and 10594 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 14:45:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:52,465 INFO L93 Difference]: Finished difference Result 15865 states and 23239 transitions. [2021-12-22 14:45:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:45:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2021-12-22 14:45:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:52,521 INFO L225 Difference]: With dead ends: 15865 [2021-12-22 14:45:52,521 INFO L226 Difference]: Without dead ends: 8549 [2021-12-22 14:45:52,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:45:52,559 INFO L933 BasicCegarLoop]: 2763 mSDtfsCounter, 2391 mSDsluCounter, 3978 mSDsCounter, 0 mSdLazyCounter, 4829 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 6741 SdHoareTripleChecker+Invalid, 7190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 4829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:52,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 6741 Invalid, 7190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2361 Valid, 4829 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-22 14:45:52,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2021-12-22 14:45:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 7336. [2021-12-22 14:45:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7336 states, 5066 states have (on average 1.3262929332806948) internal successors, (6719), 5257 states have internal predecessors, (6719), 1920 states have call successors, (1920), 346 states have call predecessors, (1920), 349 states have return successors, (1953), 1867 states have call predecessors, (1953), 1919 states have call successors, (1953) [2021-12-22 14:45:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10592 transitions. [2021-12-22 14:45:53,056 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10592 transitions. Word has length 126 [2021-12-22 14:45:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:53,058 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10592 transitions. [2021-12-22 14:45:53,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 14:45:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10592 transitions. [2021-12-22 14:45:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-22 14:45:53,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:53,074 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:45:53,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:45:53,074 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:53,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1843140688, now seen corresponding path program 1 times [2021-12-22 14:45:53,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:53,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809901862] [2021-12-22 14:45:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:53,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 14:45:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:45:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:45:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:45:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:45:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 14:45:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 14:45:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-22 14:45:53,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:53,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809901862] [2021-12-22 14:45:53,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809901862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:53,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:53,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:45:53,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296046279] [2021-12-22 14:45:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:53,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:45:53,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:53,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:45:53,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:45:53,364 INFO L87 Difference]: Start difference. First operand 7336 states and 10592 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)