./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:50:53,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:50:53,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:50:53,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:50:53,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:50:53,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:50:53,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:50:53,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:50:53,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:50:53,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:50:53,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:50:53,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:50:53,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:50:53,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:50:53,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:50:53,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:50:53,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:50:53,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:50:53,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:50:53,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:50:53,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:50:53,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:50:53,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:50:53,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:50:53,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:50:53,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:50:53,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:50:53,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:50:53,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:50:53,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:50:53,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:50:53,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:50:53,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:50:53,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:50:53,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:50:53,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:50:53,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:50:53,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:50:53,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:50:53,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:50:53,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:50:53,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:50:53,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:50:53,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:50:53,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:50:53,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:50:53,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:50:53,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:50:53,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:50:53,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:50:53,825 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:50:53,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:50:53,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:50:53,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:50:53,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:50:53,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:50:53,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:50:53,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:50:53,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:50:53,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:50:53,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:50:53,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:50:53,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:50:53,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:50:53,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:50:53,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:50:53,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:50:53,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:50:53,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:50:53,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:50:53,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:50:53,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:50:53,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:50:53,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0011bf3948bf1d5c39bf27544f1c0eeb95eb3a8609236ba1425eb8eb6552d47c [2021-12-14 17:50:54,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:50:54,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:50:54,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:50:54,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:50:54,103 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:50:54,104 INFO L432 ainManager$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 [2021-12-14 17:50:54,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f748fa273/97d0efd16fe14292a2e192661059dc38/FLAG0e919b36f [2021-12-14 17:50:54,877 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:50:54,878 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 [2021-12-14 17:50:54,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f748fa273/97d0efd16fe14292a2e192661059dc38/FLAG0e919b36f [2021-12-14 17:50:55,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f748fa273/97d0efd16fe14292a2e192661059dc38 [2021-12-14 17:50:55,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:50:55,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:50:55,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:50:55,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:50:55,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:50:55,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:55" (1/1) ... [2021-12-14 17:50:55,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15630707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:55, skipping insertion in model container [2021-12-14 17:50:55,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:55" (1/1) ... [2021-12-14 17:50:55,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:50:55,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:50:55,702 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-14 17:50:55,703 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] [2021-12-14 17:50:56,025 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] [2021-12-14 17:50:57,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:50:57,100 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:50:57,183 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4382] [2021-12-14 17:50:57,185 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] [2021-12-14 17:50:57,235 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] [2021-12-14 17:50:57,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:50:57,583 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:50:57,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57 WrapperNode [2021-12-14 17:50:57,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:50:57,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:50:57,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:50:57,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:50:57,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:57,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:57,893 INFO L137 Inliner]: procedures = 289, calls = 2820, calls flagged for inlining = 154, calls inlined = 150, statements flattened = 6493 [2021-12-14 17:50:57,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:50:57,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:50:57,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:50:57,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:50:57,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:57,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:57,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:57,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:58,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:58,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:58,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:58,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:50:58,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:50:58,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:50:58,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:50:58,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (1/1) ... [2021-12-14 17:50:58,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:50:58,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:50:58,197 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) [2021-12-14 17:50:58,210 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 [2021-12-14 17:50:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_append [2021-12-14 17:50:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_append [2021-12-14 17:50:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2021-12-14 17:50:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2021-12-14 17:50:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kunmap_atomic_sg [2021-12-14 17:50:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kunmap_atomic_sg [2021-12-14 17:50:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:50:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:50:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:50:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:50:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_set_timer [2021-12-14 17:50:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_set_timer [2021-12-14 17:50:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_get_next [2021-12-14 17:50:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_get_next [2021-12-14 17:50:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure waiting_process_next [2021-12-14 17:50:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waiting_process_next [2021-12-14 17:50:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:50:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:50:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:50:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:50:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure build_sdtr [2021-12-14 17:50:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure build_sdtr [2021-12-14 17:50:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd [2021-12-14 17:50:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd [2021-12-14 17:50:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-14 17:50:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-14 17:50:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 17:50:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 17:50:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_remove_and_free_device [2021-12-14 17:50:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_remove_and_free_device [2021-12-14 17:50:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_after_transfer [2021-12-14 17:50:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_after_transfer [2021-12-14 17:50:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb_sense [2021-12-14 17:50:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb_sense [2021-12-14 17:50:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-14 17:50:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-14 17:50:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 17:50:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 17:50:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-12-14 17:50:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-12-14 17:50:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:50:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:50:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure start_scsi [2021-12-14 17:50:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure start_scsi [2021-12-14 17:50:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 17:50:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 17:50:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure data_io_transfer [2021-12-14 17:50:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure data_io_transfer [2021-12-14 17:50:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:50:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:50:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_uninit [2021-12-14 17:50:58,247 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_uninit [2021-12-14 17:50:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:50:58,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:50:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:50:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:50:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-14 17:50:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-14 17:50:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 17:50:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 17:50:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure sg_verify_length [2021-12-14 17:50:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_verify_length [2021-12-14 17:50:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_basic_config [2021-12-14 17:50:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_basic_config [2021-12-14 17:50:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:50:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:50:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:50:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 17:50:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 17:50:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure enable_msgout_abort [2021-12-14 17:50:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_msgout_abort [2021-12-14 17:50:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:50:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:50:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:50:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 17:50:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 17:50:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-14 17:50:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-14 17:50:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:50:58,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:50:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_regs [2021-12-14 17:50:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_regs [2021-12-14 17:50:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_sg_tables_free [2021-12-14 17:50:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_sg_tables_free [2021-12-14 17:50:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_safe_settings [2021-12-14 17:50:58,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_safe_settings [2021-12-14 17:50:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 17:50:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 17:50:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:50:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_write_cmd [2021-12-14 17:50:58,254 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_write_cmd [2021-12-14 17:50:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_override [2021-12-14 17:50:58,255 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_override [2021-12-14 17:50:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:50:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure build_wdtr [2021-12-14 17:50:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure build_wdtr [2021-12-14 17:50:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:50:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:50:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:50:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:50:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure reset_dev_param [2021-12-14 17:50:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_dev_param [2021-12-14 17:50:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-14 17:50:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-14 17:50:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure msgin_reject [2021-12-14 17:50:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure msgin_reject [2021-12-14 17:50:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 17:50:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 17:50:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-14 17:50:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-14 17:50:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:50:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_to_waiting_move [2021-12-14 17:50:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_to_waiting_move [2021-12-14 17:50:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:50:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:50:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure sg_update_list [2021-12-14 17:50:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_update_list [2021-12-14 17:50:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:50:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:50:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure srb_going_remove [2021-12-14 17:50:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_going_remove [2021-12-14 17:50:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:50:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:50:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:50:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure free_tag [2021-12-14 17:50:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tag [2021-12-14 17:50:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure srb_waiting_remove [2021-12-14 17:50:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_waiting_remove [2021-12-14 17:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:50:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure sg_subtract_one [2021-12-14 17:50:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_subtract_one [2021-12-14 17:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:50:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure clear_fifo [2021-12-14 17:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_fifo [2021-12-14 17:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 17:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 17:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:50:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:50:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_slave_destroy [2021-12-14 17:50:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_slave_destroy [2021-12-14 17:50:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:50:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:50:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-14 17:50:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-14 17:50:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:50:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:50:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure srb_free_insert [2021-12-14 17:50:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure srb_free_insert [2021-12-14 17:50:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-14 17:50:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-14 17:50:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:50:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-14 17:50:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-14 17:50:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-14 17:50:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-14 17:50:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 17:50:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 17:50:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-14 17:50:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-14 17:50:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:50:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:50:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:50:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:50:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:50:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:50:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:50:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:50:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-14 17:50:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-14 17:50:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-14 17:50:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-14 17:50:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure dc395x_remove_one [2021-12-14 17:50:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dc395x_remove_one [2021-12-14 17:50:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_srb [2021-12-14 17:50:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_srb [2021-12-14 17:50:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_kmap_atomic_sg [2021-12-14 17:50:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_kmap_atomic_sg [2021-12-14 17:50:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure find_dcb [2021-12-14 17:50:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dcb [2021-12-14 17:50:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 17:50:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 17:50:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2021-12-14 17:50:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2021-12-14 17:50:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure reset_scsi_bus [2021-12-14 17:50:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_scsi_bus [2021-12-14 17:50:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 17:50:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 17:50:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 17:50:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 17:50:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-14 17:50:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-14 17:50:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:50:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-14 17:50:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-14 17:50:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure trms1040_wait_30us [2021-12-14 17:50:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure trms1040_wait_30us [2021-12-14 17:50:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:50:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:50:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure doing_srb_done [2021-12-14 17:50:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure doing_srb_done [2021-12-14 17:50:59,176 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:50:59,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:50:59,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:51:05,818 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:51:05,845 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:51:05,845 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:51:05,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:05 BoogieIcfgContainer [2021-12-14 17:51:05,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:51:05,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:51:05,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:51:05,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:51:05,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:50:55" (1/3) ... [2021-12-14 17:51:05,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b4b095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:05, skipping insertion in model container [2021-12-14 17:51:05,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:57" (2/3) ... [2021-12-14 17:51:05,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b4b095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:05, skipping insertion in model container [2021-12-14 17:51:05,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:05" (3/3) ... [2021-12-14 17:51:05,858 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 [2021-12-14 17:51:05,863 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:51:05,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:51:05,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:51:05,925 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 [2021-12-14 17:51:05,926 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:51:05,988 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) [2021-12-14 17:51:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-14 17:51:05,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:05,996 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] [2021-12-14 17:51:05,997 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -337854828, now seen corresponding path program 1 times [2021-12-14 17:51:06,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:06,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735326743] [2021-12-14 17:51:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:06,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:51:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-14 17:51:06,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:06,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735326743] [2021-12-14 17:51:06,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735326743] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:06,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:06,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:51:06,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922992459] [2021-12-14 17:51:06,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:06,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:51:06,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:06,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:51:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:51:06,612 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) [2021-12-14 17:51:13,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:19,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:19,722 INFO L93 Difference]: Finished difference Result 6810 states and 10096 transitions. [2021-12-14 17:51:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:51:19,724 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 [2021-12-14 17:51:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:19,771 INFO L225 Difference]: With dead ends: 6810 [2021-12-14 17:51:19,771 INFO L226 Difference]: Without dead ends: 4582 [2021-12-14 17:51:19,789 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 [2021-12-14 17:51:19,792 INFO L933 BasicCegarLoop]: 3394 mSDtfsCounter, 4786 mSDsluCounter, 4378 mSDsCounter, 0 mSdLazyCounter, 4603 mSolverCounterSat, 3292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5170 SdHoareTripleChecker+Valid, 7772 SdHoareTripleChecker+Invalid, 7895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3292 IncrementalHoareTripleChecker+Valid, 4603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:19,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5170 Valid, 7772 Invalid, 7895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3292 Valid, 4603 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2021-12-14 17:51:19,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-12-14 17:51:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4028. [2021-12-14 17:51:20,096 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) [2021-12-14 17:51:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 5835 transitions. [2021-12-14 17:51:20,127 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 5835 transitions. Word has length 46 [2021-12-14 17:51:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:20,127 INFO L470 AbstractCegarLoop]: Abstraction has 4028 states and 5835 transitions. [2021-12-14 17:51:20,128 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) [2021-12-14 17:51:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 5835 transitions. [2021-12-14 17:51:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-14 17:51:20,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:20,197 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] [2021-12-14 17:51:20,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:51:20,197 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:20,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1977840207, now seen corresponding path program 1 times [2021-12-14 17:51:20,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:20,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52739603] [2021-12-14 17:51:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:20,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:51:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:51:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 17:51:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:51:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 17:51:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-14 17:51:20,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:20,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52739603] [2021-12-14 17:51:20,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52739603] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:20,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:20,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:51:20,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552147956] [2021-12-14 17:51:20,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:20,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:51:20,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:20,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:51:20,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:51:20,536 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) [2021-12-14 17:51:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:34,297 INFO L93 Difference]: Finished difference Result 12567 states and 18492 transitions. [2021-12-14 17:51:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 17:51:34,298 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 [2021-12-14 17:51:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:34,360 INFO L225 Difference]: With dead ends: 12567 [2021-12-14 17:51:34,361 INFO L226 Difference]: Without dead ends: 8552 [2021-12-14 17:51:34,385 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 [2021-12-14 17:51:34,386 INFO L933 BasicCegarLoop]: 3580 mSDtfsCounter, 5893 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 6633 mSolverCounterSat, 4707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6365 SdHoareTripleChecker+Valid, 7856 SdHoareTripleChecker+Invalid, 11340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4707 IncrementalHoareTripleChecker+Valid, 6633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:34,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6365 Valid, 7856 Invalid, 11340 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4707 Valid, 6633 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2021-12-14 17:51:34,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2021-12-14 17:51:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 7336. [2021-12-14 17:51:34,824 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) [2021-12-14 17:51:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10594 transitions. [2021-12-14 17:51:34,861 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10594 transitions. Word has length 106 [2021-12-14 17:51:34,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:34,862 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10594 transitions. [2021-12-14 17:51:34,862 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) [2021-12-14 17:51:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10594 transitions. [2021-12-14 17:51:34,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-14 17:51:34,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:34,877 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] [2021-12-14 17:51:34,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:51:34,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:34,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1772554354, now seen corresponding path program 1 times [2021-12-14 17:51:34,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:34,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019563130] [2021-12-14 17:51:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:34,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:51:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:51:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:51:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:51:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:51:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 17:51:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 17:51:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-14 17:51:35,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:35,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019563130] [2021-12-14 17:51:35,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019563130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:35,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:35,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:51:35,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033818203] [2021-12-14 17:51:35,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:35,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:51:35,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:51:35,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:51:35,221 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) [2021-12-14 17:51:42,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:42,759 INFO L93 Difference]: Finished difference Result 15865 states and 23239 transitions. [2021-12-14 17:51:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:51:42,763 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 [2021-12-14 17:51:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:42,818 INFO L225 Difference]: With dead ends: 15865 [2021-12-14 17:51:42,818 INFO L226 Difference]: Without dead ends: 8549 [2021-12-14 17:51:42,853 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 [2021-12-14 17:51:42,854 INFO L933 BasicCegarLoop]: 2758 mSDtfsCounter, 2391 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 4827 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 6727 SdHoareTripleChecker+Invalid, 7188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 4827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:42,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 6727 Invalid, 7188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2361 Valid, 4827 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-14 17:51:42,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2021-12-14 17:51:43,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 7336. [2021-12-14 17:51:43,237 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) [2021-12-14 17:51:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7336 states to 7336 states and 10592 transitions. [2021-12-14 17:51:43,270 INFO L78 Accepts]: Start accepts. Automaton has 7336 states and 10592 transitions. Word has length 126 [2021-12-14 17:51:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:43,272 INFO L470 AbstractCegarLoop]: Abstraction has 7336 states and 10592 transitions. [2021-12-14 17:51:43,273 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) [2021-12-14 17:51:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7336 states and 10592 transitions. [2021-12-14 17:51:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-14 17:51:43,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:43,288 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] [2021-12-14 17:51:43,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:51:43,288 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:43,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1843140688, now seen corresponding path program 1 times [2021-12-14 17:51:43,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:43,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464295421] [2021-12-14 17:51:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:43,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:51:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:51:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:51:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 17:51:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:51:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-14 17:51:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 17:51:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-14 17:51:43,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:43,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464295421] [2021-12-14 17:51:43,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464295421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:43,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:43,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:51:43,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037102787] [2021-12-14 17:51:43,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:43,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:51:43,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:43,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:51:43,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:51:43,574 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)