./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--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-dev-ff03de6 [2021-12-21 16:18:57,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:18:57,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:18:57,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:18:57,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:18:57,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:18:57,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:18:57,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:18:57,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:18:57,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:18:57,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:18:57,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:18:57,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:18:57,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:18:57,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:18:57,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:18:57,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:18:57,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:18:57,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:18:57,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:18:57,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:18:57,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:18:57,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:18:57,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:18:57,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:18:57,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:18:57,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:18:57,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:18:57,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:18:57,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:18:57,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:18:57,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:18:57,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:18:57,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:18:57,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:18:57,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:18:57,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:18:57,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:18:57,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:18:57,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:18:57,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:18:57,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:18:57,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:18:57,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:18:57,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:18:57,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:18:57,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:18:57,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:18:57,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:18:57,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:18:57,395 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:18:57,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:18:57,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:18:57,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:18:57,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:18:57,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:18:57,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:18:57,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:18:57,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:18:57,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:18:57,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:18:57,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:18:57,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:18:57,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:18:57,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:18:57,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:18:57,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:18:57,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:18:57,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:18:57,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:18:57,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:18:57,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:18:57,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:18:57,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2021-12-21 16:18:57,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:18:57,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:18:57,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:18:57,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:18:57,670 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:18:57,672 INFO L432 ainManager$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 [2021-12-21 16:18:57,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d2b315/a661dcaa4d0c47e3b30b1576bfea2f70/FLAG16f026869 [2021-12-21 16:18:58,517 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:18:58,517 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 [2021-12-21 16:18:58,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d2b315/a661dcaa4d0c47e3b30b1576bfea2f70/FLAG16f026869 [2021-12-21 16:18:58,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d2b315/a661dcaa4d0c47e3b30b1576bfea2f70 [2021-12-21 16:18:58,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:18:58,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:18:58,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:18:58,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:18:58,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:18:58,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:18:58" (1/1) ... [2021-12-21 16:18:58,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593b0c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:18:58, skipping insertion in model container [2021-12-21 16:18:58,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:18:58" (1/1) ... [2021-12-21 16:18:58,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:18:58,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:18:59,487 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-21 16:18:59,487 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] [2021-12-21 16:19:00,042 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] [2021-12-21 16:19:01,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:19:01,153 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:19:01,254 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-21 16:19:01,256 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] [2021-12-21 16:19:01,300 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] [2021-12-21 16:19:01,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:19:01,607 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:19:01,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01 WrapperNode [2021-12-21 16:19:01,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:19:01,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:19:01,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:19:01,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:19:01,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:01,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:01,826 INFO L137 Inliner]: procedures = 276, calls = 2109, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 4696 [2021-12-21 16:19:01,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:19:01,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:19:01,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:19:01,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:19:01,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:01,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:01,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:01,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:02,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:02,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:02,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:02,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:19:02,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:19:02,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:19:02,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:19:02,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (1/1) ... [2021-12-21 16:19:02,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:19:02,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:19:02,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:19:02,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:19:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:19:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:19:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2021-12-21 16:19:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2021-12-21 16:19:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2021-12-21 16:19:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2021-12-21 16:19:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-21 16:19:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-21 16:19:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2021-12-21 16:19:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2021-12-21 16:19:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:19:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2021-12-21 16:19:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2021-12-21 16:19:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:19:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:19:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:19:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2021-12-21 16:19:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2021-12-21 16:19:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2021-12-21 16:19:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2021-12-21 16:19:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2021-12-21 16:19:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2021-12-21 16:19:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:19:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:19:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2021-12-21 16:19:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2021-12-21 16:19:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2021-12-21 16:19:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2021-12-21 16:19:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:19:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:19:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2021-12-21 16:19:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2021-12-21 16:19:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2021-12-21 16:19:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2021-12-21 16:19:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2021-12-21 16:19:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2021-12-21 16:19:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2021-12-21 16:19:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2021-12-21 16:19:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:19:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:19:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2021-12-21 16:19:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2021-12-21 16:19:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2021-12-21 16:19:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2021-12-21 16:19:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2021-12-21 16:19:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2021-12-21 16:19:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:19:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:19:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2021-12-21 16:19:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2021-12-21 16:19:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:19:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:19:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:19:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:19:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2021-12-21 16:19:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2021-12-21 16:19:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-21 16:19:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-21 16:19:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2021-12-21 16:19:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2021-12-21 16:19:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2021-12-21 16:19:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2021-12-21 16:19:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 16:19:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 16:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:19:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2021-12-21 16:19:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2021-12-21 16:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2021-12-21 16:19:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2021-12-21 16:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:19:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2021-12-21 16:19:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2021-12-21 16:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-21 16:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2021-12-21 16:19:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2021-12-21 16:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2021-12-21 16:19:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2021-12-21 16:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2021-12-21 16:19:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2021-12-21 16:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2021-12-21 16:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2021-12-21 16:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2021-12-21 16:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2021-12-21 16:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 16:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 16:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 16:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 16:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2021-12-21 16:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2021-12-21 16:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-21 16:19:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-21 16:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2021-12-21 16:19:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2021-12-21 16:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2021-12-21 16:19:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2021-12-21 16:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:19:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2021-12-21 16:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2021-12-21 16:19:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:19:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2021-12-21 16:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2021-12-21 16:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2021-12-21 16:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2021-12-21 16:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2021-12-21 16:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2021-12-21 16:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2021-12-21 16:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2021-12-21 16:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2021-12-21 16:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2021-12-21 16:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2021-12-21 16:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2021-12-21 16:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2021-12-21 16:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2021-12-21 16:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2021-12-21 16:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2021-12-21 16:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2021-12-21 16:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2021-12-21 16:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2021-12-21 16:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2021-12-21 16:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2021-12-21 16:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2021-12-21 16:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2021-12-21 16:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2021-12-21 16:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2021-12-21 16:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2021-12-21 16:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2021-12-21 16:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2021-12-21 16:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-21 16:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-21 16:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2021-12-21 16:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2021-12-21 16:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2021-12-21 16:19:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2021-12-21 16:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2021-12-21 16:19:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2021-12-21 16:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2021-12-21 16:19:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2021-12-21 16:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2021-12-21 16:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2021-12-21 16:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2021-12-21 16:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2021-12-21 16:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2021-12-21 16:19:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2021-12-21 16:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2021-12-21 16:19:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2021-12-21 16:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2021-12-21 16:19:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2021-12-21 16:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:19:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2021-12-21 16:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2021-12-21 16:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2021-12-21 16:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2021-12-21 16:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-21 16:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-21 16:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2021-12-21 16:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2021-12-21 16:19:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-21 16:19:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-21 16:19:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:19:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:19:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2021-12-21 16:19:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2021-12-21 16:19:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:19:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:19:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2021-12-21 16:19:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2021-12-21 16:19:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2021-12-21 16:19:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2021-12-21 16:19:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2021-12-21 16:19:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2021-12-21 16:19:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:19:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:19:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-21 16:19:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-21 16:19:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2021-12-21 16:19:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2021-12-21 16:19:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2021-12-21 16:19:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2021-12-21 16:19:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2021-12-21 16:19:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2021-12-21 16:19:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2021-12-21 16:19:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2021-12-21 16:19:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:19:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2021-12-21 16:19:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2021-12-21 16:19:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-21 16:19:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-21 16:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2021-12-21 16:19:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2021-12-21 16:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2021-12-21 16:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:19:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2021-12-21 16:19:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2021-12-21 16:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-21 16:19:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-21 16:19:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:19:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:19:02,977 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:19:02,983 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:19:03,295 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:19:11,289 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:19:11,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:19:11,316 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:19:11,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:19:11 BoogieIcfgContainer [2021-12-21 16:19:11,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:19:11,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:19:11,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:19:11,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:19:11,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:18:58" (1/3) ... [2021-12-21 16:19:11,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e923e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:19:11, skipping insertion in model container [2021-12-21 16:19:11,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:01" (2/3) ... [2021-12-21 16:19:11,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e923e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:19:11, skipping insertion in model container [2021-12-21 16:19:11,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:19:11" (3/3) ... [2021-12-21 16:19:11,337 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 [2021-12-21 16:19:11,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:19:11,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:19:11,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:19:11,401 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:19:11,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:19:11,456 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) [2021-12-21 16:19:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-21 16:19:11,476 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:19:11,477 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] [2021-12-21 16:19:11,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:19:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:19:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2041210750, now seen corresponding path program 1 times [2021-12-21 16:19:11,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:19:11,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818014981] [2021-12-21 16:19:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:19:11,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:19:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:19:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:19:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:19:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:19:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:19:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:19:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:19:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:19:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:19:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:19:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:19:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 16:19:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:19:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 16:19:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 16:19:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:19:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 16:19:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:19:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:19:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:19:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 16:19:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-21 16:19:12,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:19:12,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818014981] [2021-12-21 16:19:12,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818014981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:19:12,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:19:12,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:19:12,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910216074] [2021-12-21 16:19:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:19:12,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:19:12,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:19:12,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:19:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:19:12,453 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) [2021-12-21 16:19:14,897 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 [] [2021-12-21 16:19:17,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:20,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:22,448 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 [] [2021-12-21 16:19:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:19:24,758 INFO L93 Difference]: Finished difference Result 4084 states and 6015 transitions. [2021-12-21 16:19:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:19:24,760 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 [2021-12-21 16:19:24,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:19:24,791 INFO L225 Difference]: With dead ends: 4084 [2021-12-21 16:19:24,791 INFO L226 Difference]: Without dead ends: 2230 [2021-12-21 16:19:24,806 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 [2021-12-21 16:19:24,809 INFO L933 BasicCegarLoop]: 2514 mSDtfsCounter, 1023 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 591 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:19:24,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 5459 Invalid, 2081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [591 Valid, 1486 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2021-12-21 16:19:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2021-12-21 16:19:24,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2115. [2021-12-21 16:19:24,964 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) [2021-12-21 16:19:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2993 transitions. [2021-12-21 16:19:24,983 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2993 transitions. Word has length 180 [2021-12-21 16:19:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:19:24,987 INFO L470 AbstractCegarLoop]: Abstraction has 2115 states and 2993 transitions. [2021-12-21 16:19:24,987 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) [2021-12-21 16:19:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2993 transitions. [2021-12-21 16:19:24,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-21 16:19:24,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:19:24,996 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] [2021-12-21 16:19:24,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:19:24,997 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:19:24,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:19:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash -46747570, now seen corresponding path program 1 times [2021-12-21 16:19:24,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:19:25,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966483146] [2021-12-21 16:19:25,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:19:25,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:19:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:19:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:19:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:19:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:19:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:19:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:19:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:19:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:19:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:19:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:19:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:19:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 16:19:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:19:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 16:19:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 16:19:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:19:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 16:19:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:19:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:19:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:19:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 16:19:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-21 16:19:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 16:19:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-21 16:19:25,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:19:25,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966483146] [2021-12-21 16:19:25,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966483146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:19:25,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:19:25,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:19:25,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045401109] [2021-12-21 16:19:25,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:19:25,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:19:25,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:19:25,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:19:25,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:19:25,492 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) [2021-12-21 16:19:28,048 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 [] [2021-12-21 16:19:31,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:33,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:35,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:37,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:39,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:41,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:42,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:48,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:19:48,420 INFO L93 Difference]: Finished difference Result 6667 states and 9553 transitions. [2021-12-21 16:19:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:19:48,420 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 [2021-12-21 16:19:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:19:48,446 INFO L225 Difference]: With dead ends: 6667 [2021-12-21 16:19:48,446 INFO L226 Difference]: Without dead ends: 4599 [2021-12-21 16:19:48,455 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 [2021-12-21 16:19:48,456 INFO L933 BasicCegarLoop]: 4208 mSDtfsCounter, 3227 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 3386 mSolverCounterSat, 2020 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 9542 SdHoareTripleChecker+Invalid, 5412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2020 IncrementalHoareTripleChecker+Valid, 3386 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:19:48,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3668 Valid, 9542 Invalid, 5412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2020 Valid, 3386 Invalid, 6 Unknown, 0 Unchecked, 22.4s Time] [2021-12-21 16:19:48,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4599 states. [2021-12-21 16:19:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4599 to 4138. [2021-12-21 16:19:48,611 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) [2021-12-21 16:19:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5847 transitions. [2021-12-21 16:19:48,635 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5847 transitions. Word has length 198 [2021-12-21 16:19:48,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:19:48,637 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5847 transitions. [2021-12-21 16:19:48,638 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) [2021-12-21 16:19:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5847 transitions. [2021-12-21 16:19:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-21 16:19:48,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:19:48,642 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] [2021-12-21 16:19:48,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:19:48,642 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:19:48,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:19:48,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1788317366, now seen corresponding path program 1 times [2021-12-21 16:19:48,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:19:48,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146856961] [2021-12-21 16:19:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:19:48,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:19:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:19:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:19:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:19:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:19:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:19:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:19:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:19:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:19:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:19:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:19:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:19:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 16:19:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:19:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 16:19:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 16:19:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:19:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 16:19:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:19:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:19:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:19:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 16:19:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 16:19:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 16:19:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-21 16:19:49,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:19:49,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146856961] [2021-12-21 16:19:49,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146856961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:19:49,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:19:49,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:19:49,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483759032] [2021-12-21 16:19:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:19:49,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:19:49,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:19:49,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:19:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:19:49,127 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) [2021-12-21 16:19:51,488 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 [] [2021-12-21 16:19:53,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:57,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:59,490 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 []