./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--target--sbp--sbp_target.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--target--sbp--sbp_target.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 aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:51:16,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:51:16,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:51:16,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:51:16,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:51:16,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:51:16,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:51:16,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:51:16,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:51:16,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:51:16,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:51:16,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:51:16,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:51:16,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:51:16,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:51:16,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:51:16,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:51:16,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:51:16,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:51:16,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:51:16,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:51:16,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:51:16,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:51:16,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:51:16,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:51:16,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:51:16,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:51:16,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:51:16,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:51:16,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:51:16,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:51:16,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:51:16,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:51:16,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:51:16,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:51:16,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:51:16,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:51:16,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:51:16,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:51:16,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:51:16,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:51:16,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:51:16,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:51:16,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:51:16,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:51:16,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:51:16,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:51:16,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:51:16,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:51:16,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:51:16,282 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:51:16,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:51:16,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:51:16,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:51:16,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:51:16,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:51:16,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:51:16,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:51:16,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:16,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:51:16,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:51:16,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:51:16,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:51:16,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:51:16,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:51:16,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:51:16,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:51:16,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:51:16,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2021-12-14 17:51:16,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:51:16,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:51:16,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:51:16,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:51:16,604 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:51:16,606 INFO L432 ainManager$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--target--sbp--sbp_target.ko-entry_point.cil.out.i [2021-12-14 17:51:16,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0728abf/e104a8c8fa32486b8805230e569d64dd/FLAG682ef2842 [2021-12-14 17:51:17,480 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:51:17,481 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--target--sbp--sbp_target.ko-entry_point.cil.out.i [2021-12-14 17:51:17,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0728abf/e104a8c8fa32486b8805230e569d64dd/FLAG682ef2842 [2021-12-14 17:51:17,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0728abf/e104a8c8fa32486b8805230e569d64dd [2021-12-14 17:51:17,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:51:17,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:51:17,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:17,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:51:17,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:51:17,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:17" (1/1) ... [2021-12-14 17:51:17,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e39a09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:17, skipping insertion in model container [2021-12-14 17:51:17,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:17" (1/1) ... [2021-12-14 17:51:17,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:51:17,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:51:18,385 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-14 17:51:18,386 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2021-12-14 17:51:18,888 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--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2021-12-14 17:51:20,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:20,095 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:51:20,253 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-14 17:51:20,255 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2021-12-14 17:51:20,295 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--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2021-12-14 17:51:20,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:20,622 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:51:20,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20 WrapperNode [2021-12-14 17:51:20,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:20,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:20,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:51:20,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:51:20,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:20,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:20,899 INFO L137 Inliner]: procedures = 276, calls = 2109, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 4696 [2021-12-14 17:51:20,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:20,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:51:20,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:51:20,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:51:20,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:20,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:20,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:20,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:21,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:21,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:21,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:21,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:51:21,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:51:21,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:51:21,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:51:21,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (1/1) ... [2021-12-14 17:51:21,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:21,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:51:21,241 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 17:51:21,261 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 17:51:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 17:51:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 17:51:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2021-12-14 17:51:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2021-12-14 17:51:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2021-12-14 17:51:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2021-12-14 17:51:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 17:51:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 17:51:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2021-12-14 17:51:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2021-12-14 17:51:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:51:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2021-12-14 17:51:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2021-12-14 17:51:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:51:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:51:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:51:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2021-12-14 17:51:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2021-12-14 17:51:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2021-12-14 17:51:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2021-12-14 17:51:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2021-12-14 17:51:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2021-12-14 17:51:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:51:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:51:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2021-12-14 17:51:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2021-12-14 17:51:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2021-12-14 17:51:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2021-12-14 17:51:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:51:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:51:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2021-12-14 17:51:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2021-12-14 17:51:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2021-12-14 17:51:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2021-12-14 17:51:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2021-12-14 17:51:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2021-12-14 17:51:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2021-12-14 17:51:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2021-12-14 17:51:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:51:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:51:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2021-12-14 17:51:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2021-12-14 17:51:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2021-12-14 17:51:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2021-12-14 17:51:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2021-12-14 17:51:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2021-12-14 17:51:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:51:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:51:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2021-12-14 17:51:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2021-12-14 17:51:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:51:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:51:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:51:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:51:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2021-12-14 17:51:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2021-12-14 17:51:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-14 17:51:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-14 17:51:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2021-12-14 17:51:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2021-12-14 17:51:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2021-12-14 17:51:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2021-12-14 17:51:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 17:51:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 17:51:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:51:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:51:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:51:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:51:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2021-12-14 17:51:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2021-12-14 17:51:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2021-12-14 17:51:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2021-12-14 17:51:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 17:51:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 17:51:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 17:51:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2021-12-14 17:51:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2021-12-14 17:51:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-14 17:51:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2021-12-14 17:51:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2021-12-14 17:51:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2021-12-14 17:51:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2021-12-14 17:51:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2021-12-14 17:51:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2021-12-14 17:51:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:51:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2021-12-14 17:51:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2021-12-14 17:51:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:51:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2021-12-14 17:51:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2021-12-14 17:51:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 17:51:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 17:51:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:51:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:51:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:51:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:51:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:51:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:51:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 17:51:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 17:51:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2021-12-14 17:51:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2021-12-14 17:51:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:51:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:51:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:51:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:51:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-14 17:51:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-14 17:51:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2021-12-14 17:51:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2021-12-14 17:51:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:51:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2021-12-14 17:51:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2021-12-14 17:51:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:51:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:51:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2021-12-14 17:51:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2021-12-14 17:51:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:51:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:51:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2021-12-14 17:51:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2021-12-14 17:51:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2021-12-14 17:51:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2021-12-14 17:51:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:51:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:51:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:51:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2021-12-14 17:51:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2021-12-14 17:51:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2021-12-14 17:51:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2021-12-14 17:51:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:51:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2021-12-14 17:51:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2021-12-14 17:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2021-12-14 17:51:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2021-12-14 17:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2021-12-14 17:51:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2021-12-14 17:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:51:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2021-12-14 17:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2021-12-14 17:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2021-12-14 17:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2021-12-14 17:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 17:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 17:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2021-12-14 17:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2021-12-14 17:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:51:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:51:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2021-12-14 17:51:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2021-12-14 17:51:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:51:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:51:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:51:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2021-12-14 17:51:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2021-12-14 17:51:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2021-12-14 17:51:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2021-12-14 17:51:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2021-12-14 17:51:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2021-12-14 17:51:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 17:51:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 17:51:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2021-12-14 17:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2021-12-14 17:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2021-12-14 17:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2021-12-14 17:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2021-12-14 17:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2021-12-14 17:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:51:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2021-12-14 17:51:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2021-12-14 17:51:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2021-12-14 17:51:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2021-12-14 17:51:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:51:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:51:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2021-12-14 17:51:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2021-12-14 17:51:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2021-12-14 17:51:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2021-12-14 17:51:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2021-12-14 17:51:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2021-12-14 17:51:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2021-12-14 17:51:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2021-12-14 17:51:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:51:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:51:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2021-12-14 17:51:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2021-12-14 17:51:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2021-12-14 17:51:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2021-12-14 17:51:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-14 17:51:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-14 17:51:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2021-12-14 17:51:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2021-12-14 17:51:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-14 17:51:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-14 17:51:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:51:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:51:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2021-12-14 17:51:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2021-12-14 17:51:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:51:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:51:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2021-12-14 17:51:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2021-12-14 17:51:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2021-12-14 17:51:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2021-12-14 17:51:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2021-12-14 17:51:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2021-12-14 17:51:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:51:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:51:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-14 17:51:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-14 17:51:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2021-12-14 17:51:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2021-12-14 17:51:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2021-12-14 17:51:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2021-12-14 17:51:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2021-12-14 17:51:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2021-12-14 17:51:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2021-12-14 17:51:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2021-12-14 17:51:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:51:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2021-12-14 17:51:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2021-12-14 17:51:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 17:51:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 17:51:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2021-12-14 17:51:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2021-12-14 17:51:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2021-12-14 17:51:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:51:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:51:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2021-12-14 17:51:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2021-12-14 17:51:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-14 17:51:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-14 17:51:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:51:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:51:21,946 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:51:21,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:51:22,350 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:51:31,923 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:51:31,940 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:51:31,940 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:51:31,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:31 BoogieIcfgContainer [2021-12-14 17:51:31,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:51:31,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:51:31,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:51:31,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:51:31,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:51:17" (1/3) ... [2021-12-14 17:51:31,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b947cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:31, skipping insertion in model container [2021-12-14 17:51:31,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:20" (2/3) ... [2021-12-14 17:51:31,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b947cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:31, skipping insertion in model container [2021-12-14 17:51:31,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:31" (3/3) ... [2021-12-14 17:51:31,952 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2021-12-14 17:51:31,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:51:31,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:51:32,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:51:32,026 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 17:51:32,027 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:51:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 1819 states, 1221 states have (on average 1.3357903357903358) internal successors, (1631), 1259 states have internal predecessors, (1631), 487 states have call successors, (487), 110 states have call predecessors, (487), 109 states have return successors, (478), 463 states have call predecessors, (478), 478 states have call successors, (478) [2021-12-14 17:51:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-14 17:51:32,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:32,090 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:51:32,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2041210750, now seen corresponding path program 1 times [2021-12-14 17:51:32,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:32,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254373197] [2021-12-14 17:51:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:32,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:51:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:51:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:51:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:51:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:51:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:51:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:51:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:51:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:51:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:51:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:51:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:51:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:51:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:51:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:51:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:51:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-14 17:51:33,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:33,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254373197] [2021-12-14 17:51:33,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254373197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:33,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:33,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:51:33,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626098768] [2021-12-14 17:51:33,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:33,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:51:33,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:33,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:51:33,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:51:33,105 INFO L87 Difference]: Start difference. First operand has 1819 states, 1221 states have (on average 1.3357903357903358) internal successors, (1631), 1259 states have internal predecessors, (1631), 487 states have call successors, (487), 110 states have call predecessors, (487), 109 states have return successors, (478), 463 states have call predecessors, (478), 478 states have call successors, (478) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-14 17:51:35,591 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 [] [2021-12-14 17:51:37,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:40,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:42,425 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 [] [2021-12-14 17:51:44,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:44,772 INFO L93 Difference]: Finished difference Result 4084 states and 6015 transitions. [2021-12-14 17:51:44,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:51:44,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 180 [2021-12-14 17:51:44,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:44,808 INFO L225 Difference]: With dead ends: 4084 [2021-12-14 17:51:44,808 INFO L226 Difference]: Without dead ends: 2230 [2021-12-14 17:51:44,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:51:44,829 INFO L933 BasicCegarLoop]: 2514 mSDtfsCounter, 1023 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 590 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:44,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 5456 Invalid, 2081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [590 Valid, 1488 Invalid, 3 Unknown, 0 Unchecked, 11.3s Time] [2021-12-14 17:51:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2021-12-14 17:51:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2115. [2021-12-14 17:51:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1456 states have (on average 1.3337912087912087) internal successors, (1942), 1485 states have internal predecessors, (1942), 526 states have call successors, (526), 133 states have call predecessors, (526), 132 states have return successors, (525), 509 states have call predecessors, (525), 525 states have call successors, (525) [2021-12-14 17:51:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2993 transitions. [2021-12-14 17:51:45,029 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2993 transitions. Word has length 180 [2021-12-14 17:51:45,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:45,034 INFO L470 AbstractCegarLoop]: Abstraction has 2115 states and 2993 transitions. [2021-12-14 17:51:45,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-14 17:51:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2993 transitions. [2021-12-14 17:51:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-14 17:51:45,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:45,045 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:51:45,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:51:45,046 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:45,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:45,047 INFO L85 PathProgramCache]: Analyzing trace with hash -46747570, now seen corresponding path program 1 times [2021-12-14 17:51:45,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:45,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584258524] [2021-12-14 17:51:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:45,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:51:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:51:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:51:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:51:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:51:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:51:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:51:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:51:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:51:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:51:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:51:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:51:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:51:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:51:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:51:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:51:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-14 17:51:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:51:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-14 17:51:45,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:45,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584258524] [2021-12-14 17:51:45,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584258524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:45,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:45,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:51:45,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226707988] [2021-12-14 17:51:45,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:45,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:51:45,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:45,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:51:45,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:51:45,591 INFO L87 Difference]: Start difference. First operand 2115 states and 2993 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 17:51:48,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:51,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:53,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:55,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:57,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:59,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:02,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:03,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:52:08,808 INFO L93 Difference]: Finished difference Result 6667 states and 9553 transitions. [2021-12-14 17:52:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:52:08,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 198 [2021-12-14 17:52:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:52:08,839 INFO L225 Difference]: With dead ends: 6667 [2021-12-14 17:52:08,839 INFO L226 Difference]: Without dead ends: 4599 [2021-12-14 17:52:08,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:52:08,897 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 3228 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 2014 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 9536 SdHoareTripleChecker+Invalid, 5405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2014 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-12-14 17:52:08,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 9536 Invalid, 5405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2014 Valid, 3385 Invalid, 6 Unknown, 0 Unchecked, 22.8s Time] [2021-12-14 17:52:08,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4599 states. [2021-12-14 17:52:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4599 to 4138. [2021-12-14 17:52:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 2850 states have (on average 1.3340350877192984) internal successors, (3802), 2909 states have internal predecessors, (3802), 1023 states have call successors, (1023), 265 states have call predecessors, (1023), 264 states have return successors, (1022), 989 states have call predecessors, (1022), 1022 states have call successors, (1022) [2021-12-14 17:52:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5847 transitions. [2021-12-14 17:52:09,078 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5847 transitions. Word has length 198 [2021-12-14 17:52:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:52:09,080 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5847 transitions. [2021-12-14 17:52:09,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 17:52:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5847 transitions. [2021-12-14 17:52:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-14 17:52:09,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:52:09,088 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:09,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:52:09,090 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:52:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:52:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1788317366, now seen corresponding path program 1 times [2021-12-14 17:52:09,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:52:09,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951702807] [2021-12-14 17:52:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:52:09,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:52:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:52:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:52:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:52:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:52:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:52:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:52:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:52:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:52:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:52:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:52:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:52:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:52:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:52:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:52:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:52:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:52:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:52:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:52:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:52:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:52:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:52:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 17:52:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 17:52:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:52:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:52:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:52:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-14 17:52:09,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:52:09,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951702807] [2021-12-14 17:52:09,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951702807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:52:09,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:52:09,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:52:09,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090266246] [2021-12-14 17:52:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:52:09,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:52:09,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:52:09,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:52:09,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:52:09,547 INFO L87 Difference]: Start difference. First operand 4138 states and 5847 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 17:52:11,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:14,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:16,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []