./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 ff03de63 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-ff03de6 [2021-12-21 16:18:27,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:18:27,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:18:27,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:18:27,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:18:27,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:18:27,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:18:27,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:18:27,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:18:27,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:18:27,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:18:27,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:18:27,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:18:27,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:18:27,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:18:27,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:18:27,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:18:27,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:18:27,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:18:27,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:18:27,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:18:27,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:18:27,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:18:27,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:18:27,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:18:27,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:18:27,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:18:27,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:18:27,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:18:27,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:18:27,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:18:27,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:18:27,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:18:27,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:18:27,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:18:27,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:18:27,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:18:27,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:18:27,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:18:27,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:18:27,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:18:27,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:18:27,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:18:27,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:18:27,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:18:27,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:18:27,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:18:27,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:18:27,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:18:27,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:18:27,431 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:18:27,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:18:27,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:18:27,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:18:27,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:18:27,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:18:27,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:18:27,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:18:27,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:18:27,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:18:27,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:18:27,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:18:27,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:18:27,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:18:27,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:18:27,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:18:27,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:18:27,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:18:27,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:18:27,436 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:18:27,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:18:27,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:18:27,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:18:27,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c [2021-12-21 16:18:27,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:18:27,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:18:27,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:18:27,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:18:27,706 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:18:27,708 INFO L432 ainManager$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 [2021-12-21 16:18:27,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bfa7f2b/d9348a8eaa024022814e6a339a031c9a/FLAGc20c4f742 [2021-12-21 16:18:28,602 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:18:28,602 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 [2021-12-21 16:18:28,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bfa7f2b/d9348a8eaa024022814e6a339a031c9a/FLAGc20c4f742 [2021-12-21 16:18:29,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bfa7f2b/d9348a8eaa024022814e6a339a031c9a [2021-12-21 16:18:29,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:18:29,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:18:29,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:18:29,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:18:29,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:18:29,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:18:29" (1/1) ... [2021-12-21 16:18:29,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1e8713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:29, skipping insertion in model container [2021-12-21 16:18:29,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:18:29" (1/1) ... [2021-12-21 16:18:29,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:18:29,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:18:29,678 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-21 16:18:29,678 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] [2021-12-21 16:18:30,095 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] [2021-12-21 16:18:31,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:18:31,292 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:18:31,387 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-21 16:18:31,388 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] [2021-12-21 16:18:31,420 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] [2021-12-21 16:18:31,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:18:31,778 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:18:31,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31 WrapperNode [2021-12-21 16:18:31,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:18:31,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:18:31,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:18:31,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:18:31,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,224 INFO L137 Inliner]: procedures = 289, calls = 2820, calls flagged for inlining = 154, calls inlined = 150, statements flattened = 6493 [2021-12-21 16:18:32,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:18:32,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:18:32,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:18:32,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:18:32,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:18:32,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:18:32,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:18:32,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:18:32,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (1/1) ... [2021-12-21 16:18:32,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:18:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:18:32,580 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) [2021-12-21 16:18:32,605 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 [2021-12-21 16:18:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_append [2021-12-21 16:18:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_append [2021-12-21 16:18:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2021-12-21 16:18:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2021-12-21 16:18:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2021-12-21 16:18:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2021-12-21 16:18:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:18:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:18:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2021-12-21 16:18:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2021-12-21 16:18:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:18:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2021-12-21 16:18:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 16:18:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2021-12-21 16:18:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:18:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:18:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:18:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-21 16:18:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-21 16:18:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:18:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:18:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2021-12-21 16:18:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2021-12-21 16:18:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2021-12-21 16:18:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2021-12-21 16:18:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2021-12-21 16:18:32,682 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2021-12-21 16:18:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:18:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:18:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:18:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2021-12-21 16:18:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2021-12-21 16:18:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2021-12-21 16:18:32,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2021-12-21 16:18:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:18:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2021-12-21 16:18:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2021-12-21 16:18:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:18:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:18:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:18:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:18:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2021-12-21 16:18:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2021-12-21 16:18:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-21 16:18:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-21 16:18:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2021-12-21 16:18:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2021-12-21 16:18:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:18:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:18:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-21 16:18:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-21 16:18:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:18:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2021-12-21 16:18:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2021-12-21 16:18:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:18:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:18:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2021-12-21 16:18:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2021-12-21 16:18:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:18:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:18:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2021-12-21 16:18:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2021-12-21 16:18:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:18:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:18:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:18:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2021-12-21 16:18:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2021-12-21 16:18:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2021-12-21 16:18:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2021-12-21 16:18:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:18:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:18:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:18:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2021-12-21 16:18:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2021-12-21 16:18:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:18:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:18:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2021-12-21 16:18:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2021-12-21 16:18:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 16:18:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 16:18:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:18:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:18:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:18:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:18:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:18:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2021-12-21 16:18:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2021-12-21 16:18:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:18:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:18:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-21 16:18:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-21 16:18:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:18:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:18:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2021-12-21 16:18:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2021-12-21 16:18:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-21 16:18:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-21 16:18:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:18:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-21 16:18:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-21 16:18:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-21 16:18:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-21 16:18:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:18:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:18:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-21 16:18:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-21 16:18:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:18:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:18:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:18:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:18:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:18:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:18:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:18:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:18:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-21 16:18:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-21 16:18:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-21 16:18:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-21 16:18:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_remove_one [2021-12-21 16:18:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_remove_one [2021-12-21 16:18:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2021-12-21 16:18:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2021-12-21 16:18:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2021-12-21 16:18:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2021-12-21 16:18:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2021-12-21 16:18:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2021-12-21 16:18:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 16:18:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 16:18:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-12-21 16:18:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-12-21 16:18:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2021-12-21 16:18:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2021-12-21 16:18:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:18:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:18:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-21 16:18:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-21 16:18:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-21 16:18:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-21 16:18:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:18:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-21 16:18:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-21 16:18:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2021-12-21 16:18:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2021-12-21 16:18:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:18:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:18:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2021-12-21 16:18:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2021-12-21 16:18:33,556 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:18:33,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:18:33,792 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:18:40,254 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:18:40,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:18:40,273 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:18:40,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:18:40 BoogieIcfgContainer [2021-12-21 16:18:40,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:18:40,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:18:40,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:18:40,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:18:40,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:18:29" (1/3) ... [2021-12-21 16:18:40,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f00d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:18:40, skipping insertion in model container [2021-12-21 16:18:40,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:31" (2/3) ... [2021-12-21 16:18:40,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f00d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:18:40, skipping insertion in model container [2021-12-21 16:18:40,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:18:40" (3/3) ... [2021-12-21 16:18:40,286 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 [2021-12-21 16:18:40,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:18:40,291 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:18:40,357 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:18:40,365 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 [2021-12-21 16:18:40,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:18:40,476 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) [2021-12-21 16:18:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 16:18:40,488 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:18:40,489 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] [2021-12-21 16:18:40,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:18:40,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:18:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash -337854828, now seen corresponding path program 1 times [2021-12-21 16:18:40,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:18:40,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318167827] [2021-12-21 16:18:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:18:40,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:18:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:18:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:18:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:18:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:18:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:18:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-21 16:18:41,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:18:41,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318167827] [2021-12-21 16:18:41,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318167827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:18:41,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:18:41,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:18:41,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977871706] [2021-12-21 16:18:41,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:18:41,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:18:41,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:18:41,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:18:41,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:18:41,097 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) [2021-12-21 16:18:53,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:18:53,583 INFO L93 Difference]: Finished difference Result 6810 states and 10096 transitions. [2021-12-21 16:18:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:18:53,591 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 [2021-12-21 16:18:53,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:18:53,645 INFO L225 Difference]: With dead ends: 6810 [2021-12-21 16:18:53,646 INFO L226 Difference]: Without dead ends: 4582 [2021-12-21 16:18:53,666 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 [2021-12-21 16:18:53,669 INFO L933 BasicCegarLoop]: 3389 mSDtfsCounter, 4786 mSDsluCounter, 4373 mSDsCounter, 0 mSdLazyCounter, 4597 mSolverCounterSat, 3295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5170 SdHoareTripleChecker+Valid, 7762 SdHoareTripleChecker+Invalid, 7892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3295 IncrementalHoareTripleChecker+Valid, 4597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:18:53,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5170 Valid, 7762 Invalid, 7892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3295 Valid, 4597 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2021-12-21 16:18:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-12-21 16:18:54,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4028. [2021-12-21 16:18:54,011 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) [2021-12-21 16:18:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 5835 transitions. [2021-12-21 16:18:54,054 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 5835 transitions. Word has length 46 [2021-12-21 16:18:54,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:18:54,055 INFO L470 AbstractCegarLoop]: Abstraction has 4028 states and 5835 transitions. [2021-12-21 16:18:54,055 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) [2021-12-21 16:18:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 5835 transitions. [2021-12-21 16:18:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 16:18:54,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:18:54,075 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] [2021-12-21 16:18:54,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:18:54,076 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:18:54,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:18:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1977840207, now seen corresponding path program 1 times [2021-12-21 16:18:54,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:18:54,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996885192] [2021-12-21 16:18:54,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:18:54,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:18:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:18:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:18:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:18:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:18:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:18:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:18:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 16:18:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:18:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:18:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 16:18:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 16:18:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:18:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-21 16:18:54,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:18:54,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996885192] [2021-12-21 16:18:54,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996885192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:18:54,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:18:54,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:18:54,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835924650] [2021-12-21 16:18:54,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:18:54,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:18:54,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:18:54,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:18:54,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:18:54,498 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) [2021-12-21 16:19:03,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:19:11,298 INFO L93 Difference]: Finished difference Result 12567 states and 18492 transitions. [2021-12-21 16:19:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 16:19:11,299 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 [2021-12-21 16:19:11,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:19:11,358 INFO L225 Difference]: With dead ends: 12567 [2021-12-21 16:19:11,358 INFO L226 Difference]: Without dead ends: 8552 [2021-12-21 16:19:11,380 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 [2021-12-21 16:19:11,382 INFO L933 BasicCegarLoop]: 3583 mSDtfsCounter, 5891 mSDsluCounter, 4280 mSDsCounter, 0 mSdLazyCounter, 6639 mSolverCounterSat, 4705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6362 SdHoareTripleChecker+Valid, 7863 SdHoareTripleChecker+Invalid, 11344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4705 IncrementalHoareTripleChecker+Valid, 6639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:19:11,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6362 Valid, 7863 Invalid, 11344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4705 Valid, 6639 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2021-12-21 16:19:11,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2021-12-21 16:19:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 7336. [2021-12-21 16:19:11,781 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) [2021-12-21 16:19:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10594 transitions. [2021-12-21 16:19:11,820 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10594 transitions. Word has length 106 [2021-12-21 16:19:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:19:11,821 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10594 transitions. [2021-12-21 16:19:11,821 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) [2021-12-21 16:19:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10594 transitions. [2021-12-21 16:19:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-21 16:19:11,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:19:11,835 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] [2021-12-21 16:19:11,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:19:11,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:19:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:19:11,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1772554354, now seen corresponding path program 1 times [2021-12-21 16:19:11,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:19:11,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902730477] [2021-12-21 16:19:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:19:11,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:19:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:19:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:19:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:19:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:19:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:19:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-21 16:19:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 16:19:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:19:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 16:19:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 16:19:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-21 16:19:12,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:19:12,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902730477] [2021-12-21 16:19:12,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902730477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:19:12,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:19:12,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:19:12,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574099084] [2021-12-21 16:19:12,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:19:12,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:19:12,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:19:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:19:12,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:19:12,211 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) [2021-12-21 16:19:20,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:19:20,984 INFO L93 Difference]: Finished difference Result 15865 states and 23239 transitions. [2021-12-21 16:19:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:19:20,986 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 [2021-12-21 16:19:20,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:19:21,046 INFO L225 Difference]: With dead ends: 15865 [2021-12-21 16:19:21,046 INFO L226 Difference]: Without dead ends: 8549 [2021-12-21 16:19:21,082 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 [2021-12-21 16:19:21,083 INFO L933 BasicCegarLoop]: 2759 mSDtfsCounter, 2391 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 4829 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 7190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 4829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:19:21,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 6729 Invalid, 7190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2361 Valid, 4829 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-21 16:19:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2021-12-21 16:19:21,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 7336.