./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-ae00767 [2021-12-28 04:03:17,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:03:17,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:03:17,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:03:17,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:03:17,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:03:17,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:03:17,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:03:17,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:03:17,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:03:17,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:03:17,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:03:17,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:03:17,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:03:17,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:03:17,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:03:17,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:03:17,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:03:17,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:03:17,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:03:17,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:03:17,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:03:17,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:03:17,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:03:17,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:03:17,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:03:17,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:03:17,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:03:17,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:03:17,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:03:17,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:03:17,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:03:17,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:03:17,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:03:17,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:03:17,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:03:17,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:03:17,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:03:17,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:03:17,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:03:17,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:03:17,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:03:17,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:03:17,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:03:17,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:03:17,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:03:17,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:03:17,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:03:17,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:03:17,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:03:17,738 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:03:17,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:03:17,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:03:17,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:03:17,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:03:17,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:03:17,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:03:17,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:03:17,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:03:17,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:03:17,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:03:17,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c [2021-12-28 04:03:18,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:03:18,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:03:18,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:03:18,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:03:18,036 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:03:18,037 INFO L432 ainManager$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 [2021-12-28 04:03:18,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342a12053/e6cb5575744846278656b4b385a1bb87/FLAGbd5b0cd21 [2021-12-28 04:03:18,799 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:03:18,800 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 [2021-12-28 04:03:18,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342a12053/e6cb5575744846278656b4b385a1bb87/FLAGbd5b0cd21 [2021-12-28 04:03:19,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342a12053/e6cb5575744846278656b4b385a1bb87 [2021-12-28 04:03:19,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:03:19,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:03:19,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:03:19,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:03:19,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:03:19,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:03:19" (1/1) ... [2021-12-28 04:03:19,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1484709b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:19, skipping insertion in model container [2021-12-28 04:03:19,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:03:19" (1/1) ... [2021-12-28 04:03:19,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:03:19,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:03:19,608 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-28 04:03:19,609 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] [2021-12-28 04:03:19,901 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] [2021-12-28 04:03:20,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:03:20,867 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:03:20,963 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-28 04:03:20,963 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] [2021-12-28 04:03:20,973 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] [2021-12-28 04:03:21,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:03:21,321 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:03:21,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21 WrapperNode [2021-12-28 04:03:21,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:03:21,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:03:21,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:03:21,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:03:21,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,575 INFO L137 Inliner]: procedures = 289, calls = 2820, calls flagged for inlining = 154, calls inlined = 150, statements flattened = 6493 [2021-12-28 04:03:21,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:03:21,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:03:21,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:03:21,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:03:21,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:03:21,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:03:21,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:03:21,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:03:21,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (1/1) ... [2021-12-28 04:03:21,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:03:21,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:03:21,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:03:21,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_append [2021-12-28 04:03:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_append [2021-12-28 04:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2021-12-28 04:03:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2021-12-28 04:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2021-12-28 04:03:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2021-12-28 04:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:03:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:03:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:03:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:03:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2021-12-28 04:03:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2021-12-28 04:03:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2021-12-28 04:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2021-12-28 04:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2021-12-28 04:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2021-12-28 04:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2021-12-28 04:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2021-12-28 04:03:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2021-12-28 04:03:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2021-12-28 04:03:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 04:03:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 04:03:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:03:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-28 04:03:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:03:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:03:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:03:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2021-12-28 04:03:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2021-12-28 04:03:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:03:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2021-12-28 04:03:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2021-12-28 04:03:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:03:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:03:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:03:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:03:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:03:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-28 04:03:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-28 04:03:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-28 04:03:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-28 04:03:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_remove_one [2021-12-28 04:03:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_remove_one [2021-12-28 04:03:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2021-12-28 04:03:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2021-12-28 04:03:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2021-12-28 04:03:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2021-12-28 04:03:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2021-12-28 04:03:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2021-12-28 04:03:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:03:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:03:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-12-28 04:03:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-12-28 04:03:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2021-12-28 04:03:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2021-12-28 04:03:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:03:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:03:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:03:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:03:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 04:03:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 04:03:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:03:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-28 04:03:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-28 04:03:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2021-12-28 04:03:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2021-12-28 04:03:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:03:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:03:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2021-12-28 04:03:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2021-12-28 04:03:22,709 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:03:22,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:03:22,858 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:03:28,394 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:03:28,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:03:28,414 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:03:28,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:03:28 BoogieIcfgContainer [2021-12-28 04:03:28,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:03:28,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:03:28,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:03:28,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:03:28,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:03:19" (1/3) ... [2021-12-28 04:03:28,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467543d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:03:28, skipping insertion in model container [2021-12-28 04:03:28,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:21" (2/3) ... [2021-12-28 04:03:28,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467543d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:03:28, skipping insertion in model container [2021-12-28 04:03:28,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:03:28" (3/3) ... [2021-12-28 04:03:28,425 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 [2021-12-28 04:03:28,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:03:28,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:03:28,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:03:28,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:03:28,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:03:28,522 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) [2021-12-28 04:03:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-28 04:03:28,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:28,528 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] [2021-12-28 04:03:28,529 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:28,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash -337854828, now seen corresponding path program 1 times [2021-12-28 04:03:28,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:28,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938802558] [2021-12-28 04:03:28,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:28,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 04:03:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-28 04:03:29,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:29,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938802558] [2021-12-28 04:03:29,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938802558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:29,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:29,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:03:29,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737246535] [2021-12-28 04:03:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:29,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:03:29,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:29,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:03:29,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:03:29,053 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) [2021-12-28 04:03:35,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:41,679 INFO L93 Difference]: Finished difference Result 6810 states and 10096 transitions. [2021-12-28 04:03:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:03:41,681 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 [2021-12-28 04:03:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:41,721 INFO L225 Difference]: With dead ends: 6810 [2021-12-28 04:03:41,722 INFO L226 Difference]: Without dead ends: 4582 [2021-12-28 04:03:41,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:03:41,739 INFO L933 BasicCegarLoop]: 3388 mSDtfsCounter, 4786 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 5116 mSolverCounterSat, 3295 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5170 SdHoareTripleChecker+Valid, 7237 SdHoareTripleChecker+Invalid, 8412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3295 IncrementalHoareTripleChecker+Valid, 5116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:41,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5170 Valid, 7237 Invalid, 8412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3295 Valid, 5116 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2021-12-28 04:03:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-12-28 04:03:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4028. [2021-12-28 04:03:41,963 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) [2021-12-28 04:03:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 5835 transitions. [2021-12-28 04:03:42,004 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 5835 transitions. Word has length 46 [2021-12-28 04:03:42,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:42,005 INFO L470 AbstractCegarLoop]: Abstraction has 4028 states and 5835 transitions. [2021-12-28 04:03:42,005 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) [2021-12-28 04:03:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 5835 transitions. [2021-12-28 04:03:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-28 04:03:42,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:42,015 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] [2021-12-28 04:03:42,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:03:42,015 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1977840207, now seen corresponding path program 1 times [2021-12-28 04:03:42,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:42,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879715726] [2021-12-28 04:03:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:42,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 04:03:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:03:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 04:03:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:03:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 04:03:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:03:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-28 04:03:42,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:42,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879715726] [2021-12-28 04:03:42,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879715726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:42,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:42,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:03:42,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064993784] [2021-12-28 04:03:42,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:42,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:03:42,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:03:42,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:03:42,224 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) [2021-12-28 04:03:50,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:57,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:57,784 INFO L93 Difference]: Finished difference Result 12567 states and 18492 transitions. [2021-12-28 04:03:57,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 04:03:57,785 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 [2021-12-28 04:03:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:57,834 INFO L225 Difference]: With dead ends: 12567 [2021-12-28 04:03:57,834 INFO L226 Difference]: Without dead ends: 8552 [2021-12-28 04:03:57,856 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 [2021-12-28 04:03:57,857 INFO L933 BasicCegarLoop]: 3585 mSDtfsCounter, 5891 mSDsluCounter, 3700 mSDsCounter, 0 mSdLazyCounter, 7219 mSolverCounterSat, 4705 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6361 SdHoareTripleChecker+Valid, 7285 SdHoareTripleChecker+Invalid, 11925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4705 IncrementalHoareTripleChecker+Valid, 7219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:57,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6361 Valid, 7285 Invalid, 11925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4705 Valid, 7219 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2021-12-28 04:03:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2021-12-28 04:03:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 7336. [2021-12-28 04:03:58,140 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) [2021-12-28 04:03:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10594 transitions. [2021-12-28 04:03:58,172 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10594 transitions. Word has length 106 [2021-12-28 04:03:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:58,172 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10594 transitions. [2021-12-28 04:03:58,173 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) [2021-12-28 04:03:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10594 transitions. [2021-12-28 04:03:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-28 04:03:58,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:58,183 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] [2021-12-28 04:03:58,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:03:58,183 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:58,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:58,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1772554354, now seen corresponding path program 1 times [2021-12-28 04:03:58,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:58,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010165893] [2021-12-28 04:03:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:58,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 04:03:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:03:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:03:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 04:03:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:03:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 04:03:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:03:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-28 04:03:58,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:58,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010165893] [2021-12-28 04:03:58,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010165893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:58,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:58,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:03:58,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490413259] [2021-12-28 04:03:58,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:58,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:03:58,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:03:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:03:58,454 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) [2021-12-28 04:04:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:04:07,725 INFO L93 Difference]: Finished difference Result 15865 states and 23239 transitions. [2021-12-28 04:04:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:04:07,729 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 [2021-12-28 04:04:07,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:04:07,778 INFO L225 Difference]: With dead ends: 15865 [2021-12-28 04:04:07,779 INFO L226 Difference]: Without dead ends: 8549 [2021-12-28 04:04:07,810 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 [2021-12-28 04:04:07,811 INFO L933 BasicCegarLoop]: 2759 mSDtfsCounter, 2391 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 5396 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 7757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 5396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:04:07,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 6162 Invalid, 7757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2361 Valid, 5396 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-12-28 04:04:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2021-12-28 04:04:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 7336. [2021-12-28 04:04:08,100 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) [2021-12-28 04:04:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10592 transitions. [2021-12-28 04:04:08,130 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10592 transitions. Word has length 126 [2021-12-28 04:04:08,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:04:08,131 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10592 transitions. [2021-12-28 04:04:08,132 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) [2021-12-28 04:04:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10592 transitions. [2021-12-28 04:04:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-28 04:04:08,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:04:08,144 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] [2021-12-28 04:04:08,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:04:08,145 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:04:08,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:04:08,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1843140688, now seen corresponding path program 1 times [2021-12-28 04:04:08,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:04:08,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077734346] [2021-12-28 04:04:08,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:04:08,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:04:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:04:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:04:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:04:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:04:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 04:04:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:04:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:04:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 04:04:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:04:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:04:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-28 04:04:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:04:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-28 04:04:08,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:04:08,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077734346] [2021-12-28 04:04:08,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077734346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:04:08,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:04:08,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:04:08,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122782840] [2021-12-28 04:04:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:04:08,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:04:08,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:04:08,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:04:08,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:04:08,474 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) [2021-12-28 04:04:18,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []