./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 e19ca921 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-e19ca92 [2021-12-22 14:45:28,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:45:28,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:45:28,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:45:28,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:45:28,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:45:28,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:45:28,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:45:28,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:45:28,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:45:28,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:45:28,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:45:28,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:45:28,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:45:28,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:45:28,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:45:28,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:45:28,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:45:28,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:45:28,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:45:28,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:45:28,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:45:28,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:45:28,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:45:28,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:45:28,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:45:28,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:45:28,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:45:28,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:45:28,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:45:28,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:45:28,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:45:28,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:45:28,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:45:28,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:45:28,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:45:28,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:45:28,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:45:28,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:45:28,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:45:28,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:45:28,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:45:28,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:45:28,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:45:28,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:45:28,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:45:28,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:45:28,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:45:28,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:45:28,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:45:28,966 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:45:28,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:45:28,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:45:28,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:45:28,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:45:28,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:45:28,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:45:28,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:45:28,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:28,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:45:28,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:45:28,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:45:28,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:45:28,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:45:28,971 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:45:28,971 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:45:28,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:45:28,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:45:28,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2021-12-22 14:45:29,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:45:29,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:45:29,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:45:29,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:45:29,211 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:45:29,212 INFO L432 ainManager$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 [2021-12-22 14:45:29,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401c5f10a/b24ba44a949f42afb911e93aaa822cc2/FLAGc4927d26e [2021-12-22 14:45:30,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:45:30,008 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 [2021-12-22 14:45:30,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401c5f10a/b24ba44a949f42afb911e93aaa822cc2/FLAGc4927d26e [2021-12-22 14:45:30,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401c5f10a/b24ba44a949f42afb911e93aaa822cc2 [2021-12-22 14:45:30,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:45:30,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:45:30,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:30,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:45:30,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:45:30,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:30" (1/1) ... [2021-12-22 14:45:30,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689cd796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:30, skipping insertion in model container [2021-12-22 14:45:30,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:30" (1/1) ... [2021-12-22 14:45:30,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:45:30,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:45:31,243 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-22 14:45:31,244 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] [2021-12-22 14:45:31,656 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] [2021-12-22 14:45:32,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:32,386 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:45:32,522 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2021-12-22 14:45:32,523 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] [2021-12-22 14:45:32,532 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] [2021-12-22 14:45:32,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:32,799 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:45:32,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32 WrapperNode [2021-12-22 14:45:32,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:32,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:32,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:45:32,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:45:32,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:32,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,047 INFO L137 Inliner]: procedures = 276, calls = 2109, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 4696 [2021-12-22 14:45:33,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:33,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:45:33,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:45:33,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:45:33,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:45:33,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:45:33,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:45:33,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:45:33,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (1/1) ... [2021-12-22 14:45:33,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:45:33,364 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) [2021-12-22 14:45:33,391 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 [2021-12-22 14:45:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 14:45:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 14:45:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2021-12-22 14:45:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2021-12-22 14:45:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2021-12-22 14:45:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2021-12-22 14:45:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-22 14:45:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-22 14:45:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2021-12-22 14:45:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2021-12-22 14:45:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:45:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2021-12-22 14:45:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2021-12-22 14:45:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:45:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:45:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:45:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2021-12-22 14:45:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2021-12-22 14:45:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2021-12-22 14:45:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2021-12-22 14:45:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2021-12-22 14:45:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2021-12-22 14:45:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:45:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:45:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2021-12-22 14:45:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2021-12-22 14:45:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2021-12-22 14:45:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2021-12-22 14:45:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:45:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:45:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2021-12-22 14:45:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2021-12-22 14:45:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2021-12-22 14:45:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2021-12-22 14:45:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2021-12-22 14:45:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2021-12-22 14:45:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2021-12-22 14:45:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2021-12-22 14:45:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:45:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:45:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2021-12-22 14:45:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2021-12-22 14:45:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2021-12-22 14:45:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2021-12-22 14:45:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2021-12-22 14:45:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2021-12-22 14:45:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:45:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:45:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2021-12-22 14:45:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2021-12-22 14:45:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:45:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:45:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 14:45:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 14:45:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2021-12-22 14:45:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2021-12-22 14:45:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-22 14:45:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-22 14:45:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2021-12-22 14:45:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2021-12-22 14:45:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2021-12-22 14:45:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2021-12-22 14:45:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 14:45:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 14:45:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:45:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:45:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:45:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:45:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2021-12-22 14:45:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2021-12-22 14:45:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2021-12-22 14:45:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2021-12-22 14:45:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 14:45:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:45:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:45:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2021-12-22 14:45:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2021-12-22 14:45:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-22 14:45:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2021-12-22 14:45:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2021-12-22 14:45:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2021-12-22 14:45:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2021-12-22 14:45:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2021-12-22 14:45:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2021-12-22 14:45:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:45:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2021-12-22 14:45:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2021-12-22 14:45:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:45:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2021-12-22 14:45:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2021-12-22 14:45:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 14:45:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 14:45:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:45:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:45:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:45:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:45:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:45:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:45:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 14:45:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 14:45:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2021-12-22 14:45:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2021-12-22 14:45:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:45:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:45:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:45:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:45:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 14:45:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 14:45:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2021-12-22 14:45:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2021-12-22 14:45:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:45:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2021-12-22 14:45:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2021-12-22 14:45:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:45:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:45:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2021-12-22 14:45:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2021-12-22 14:45:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:45:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:45:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2021-12-22 14:45:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2021-12-22 14:45:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2021-12-22 14:45:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2021-12-22 14:45:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:45:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:45:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:45:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2021-12-22 14:45:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2021-12-22 14:45:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2021-12-22 14:45:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2021-12-22 14:45:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:45:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2021-12-22 14:45:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2021-12-22 14:45:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2021-12-22 14:45:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2021-12-22 14:45:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2021-12-22 14:45:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2021-12-22 14:45:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:45:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:45:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2021-12-22 14:45:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2021-12-22 14:45:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2021-12-22 14:45:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2021-12-22 14:45:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:45:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:45:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2021-12-22 14:45:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2021-12-22 14:45:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:45:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:45:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2021-12-22 14:45:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2021-12-22 14:45:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 14:45:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 14:45:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:45:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2021-12-22 14:45:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2021-12-22 14:45:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2021-12-22 14:45:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2021-12-22 14:45:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2021-12-22 14:45:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2021-12-22 14:45:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 14:45:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 14:45:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:45:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:45:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2021-12-22 14:45:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2021-12-22 14:45:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2021-12-22 14:45:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2021-12-22 14:45:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2021-12-22 14:45:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2021-12-22 14:45:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:45:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2021-12-22 14:45:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2021-12-22 14:45:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2021-12-22 14:45:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2021-12-22 14:45:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:45:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:45:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2021-12-22 14:45:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2021-12-22 14:45:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2021-12-22 14:45:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2021-12-22 14:45:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2021-12-22 14:45:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2021-12-22 14:45:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2021-12-22 14:45:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2021-12-22 14:45:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 14:45:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 14:45:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2021-12-22 14:45:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2021-12-22 14:45:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2021-12-22 14:45:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2021-12-22 14:45:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-22 14:45:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-22 14:45:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2021-12-22 14:45:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2021-12-22 14:45:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-22 14:45:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-22 14:45:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:45:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:45:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2021-12-22 14:45:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2021-12-22 14:45:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:45:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:45:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2021-12-22 14:45:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2021-12-22 14:45:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2021-12-22 14:45:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2021-12-22 14:45:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2021-12-22 14:45:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2021-12-22 14:45:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:45:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:45:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-22 14:45:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-22 14:45:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2021-12-22 14:45:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2021-12-22 14:45:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2021-12-22 14:45:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2021-12-22 14:45:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2021-12-22 14:45:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2021-12-22 14:45:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2021-12-22 14:45:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2021-12-22 14:45:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:45:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2021-12-22 14:45:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2021-12-22 14:45:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-22 14:45:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-22 14:45:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2021-12-22 14:45:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2021-12-22 14:45:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2021-12-22 14:45:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:45:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:45:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2021-12-22 14:45:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2021-12-22 14:45:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 14:45:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 14:45:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:45:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:45:34,125 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:45:34,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:45:34,581 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:45:42,372 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:45:42,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:45:42,387 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:45:42,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:42 BoogieIcfgContainer [2021-12-22 14:45:42,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:45:42,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:45:42,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:45:42,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:45:42,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:45:30" (1/3) ... [2021-12-22 14:45:42,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128b7e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:42, skipping insertion in model container [2021-12-22 14:45:42,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:32" (2/3) ... [2021-12-22 14:45:42,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128b7e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:42, skipping insertion in model container [2021-12-22 14:45:42,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:42" (3/3) ... [2021-12-22 14:45:42,398 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 [2021-12-22 14:45:42,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:45:42,402 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:45:42,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:45:42,457 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 [2021-12-22 14:45:42,457 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:45:42,517 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) [2021-12-22 14:45:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 14:45:42,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:42,540 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] [2021-12-22 14:45:42,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:42,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2041210750, now seen corresponding path program 1 times [2021-12-22 14:45:42,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:42,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006698518] [2021-12-22 14:45:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:42,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:45:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:45:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:45:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:45:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:45:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:45:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:45:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:45:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:45:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:45:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:45:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:45:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:45:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:45:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:45:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:45:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:45:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:45:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-22 14:45:43,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:43,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006698518] [2021-12-22 14:45:43,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006698518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:43,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:43,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:45:43,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984939391] [2021-12-22 14:45:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:43,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:45:43,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:45:43,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:45:43,360 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) [2021-12-22 14:45:45,870 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 [] [2021-12-22 14:45:49,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:51,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:52,911 INFO L93 Difference]: Finished difference Result 4084 states and 6015 transitions. [2021-12-22 14:45:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:45:52,913 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 [2021-12-22 14:45:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:52,943 INFO L225 Difference]: With dead ends: 4084 [2021-12-22 14:45:52,943 INFO L226 Difference]: Without dead ends: 2230 [2021-12-22 14:45:52,961 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 [2021-12-22 14:45:52,964 INFO L933 BasicCegarLoop]: 2520 mSDtfsCounter, 1023 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 590 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 5472 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:52,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 5472 Invalid, 2080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [590 Valid, 1487 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2021-12-22 14:45:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2021-12-22 14:45:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2115. [2021-12-22 14:45:53,114 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) [2021-12-22 14:45:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2993 transitions. [2021-12-22 14:45:53,130 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2993 transitions. Word has length 180 [2021-12-22 14:45:53,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:53,131 INFO L470 AbstractCegarLoop]: Abstraction has 2115 states and 2993 transitions. [2021-12-22 14:45:53,131 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) [2021-12-22 14:45:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2993 transitions. [2021-12-22 14:45:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-22 14:45:53,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:53,136 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] [2021-12-22 14:45:53,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:45:53,136 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:53,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash -46747570, now seen corresponding path program 1 times [2021-12-22 14:45:53,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:53,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833571844] [2021-12-22 14:45:53,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:53,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:45:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:45:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:45:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:45:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:45:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:45:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:45:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:45:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:45:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:45:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:45:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:45:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:45:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:45:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:45:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:45:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:45:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:45:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:45:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 14:45:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:45:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:45:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-22 14:45:53,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:53,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833571844] [2021-12-22 14:45:53,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833571844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:53,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:53,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:45:53,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916970145] [2021-12-22 14:45:53,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:53,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:45:53,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:53,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:45:53,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:45:53,554 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) [2021-12-22 14:45:56,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:59,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:01,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:03,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:05,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:08,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:09,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:14,600 INFO L93 Difference]: Finished difference Result 6667 states and 9553 transitions. [2021-12-22 14:46:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:46:14,601 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 [2021-12-22 14:46:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:14,627 INFO L225 Difference]: With dead ends: 6667 [2021-12-22 14:46:14,628 INFO L226 Difference]: Without dead ends: 4599 [2021-12-22 14:46:14,635 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 [2021-12-22 14:46:14,637 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 3231 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 2024 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 9540 SdHoareTripleChecker+Invalid, 5422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:14,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 9540 Invalid, 5422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2024 Valid, 3394 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2021-12-22 14:46:14,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4599 states. [2021-12-22 14:46:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4599 to 4138. [2021-12-22 14:46:14,787 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) [2021-12-22 14:46:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5847 transitions. [2021-12-22 14:46:14,808 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5847 transitions. Word has length 198 [2021-12-22 14:46:14,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:14,809 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5847 transitions. [2021-12-22 14:46:14,810 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) [2021-12-22 14:46:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5847 transitions. [2021-12-22 14:46:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-22 14:46:14,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:14,816 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] [2021-12-22 14:46:14,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:46:14,816 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:14,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1788317366, now seen corresponding path program 1 times [2021-12-22 14:46:14,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:14,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597623121] [2021-12-22 14:46:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:14,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:46:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:46:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:46:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:46:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:46:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:46:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:46:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:46:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:46:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:46:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:46:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:46:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:46:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:46:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:46:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 14:46:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 14:46:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-12-22 14:46:15,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:15,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597623121] [2021-12-22 14:46:15,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597623121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:15,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:15,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:46:15,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573194730] [2021-12-22 14:46:15,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:15,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:46:15,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:46:15,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:46:15,241 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) [2021-12-22 14:46:17,588 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 [] [2021-12-22 14:46:21,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:23,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:25,551 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 [] [2021-12-22 14:46:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:29,988 INFO L93 Difference]: Finished difference Result 13118 states and 18719 transitions. [2021-12-22 14:46:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:46:29,989 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 194 [2021-12-22 14:46:29,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:30,043 INFO L225 Difference]: With dead ends: 13118 [2021-12-22 14:46:30,043 INFO L226 Difference]: Without dead ends: 9027 [2021-12-22 14:46:30,065 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 [2021-12-22 14:46:30,067 INFO L933 BasicCegarLoop]: 4118 mSDtfsCounter, 3323 mSDsluCounter, 5342 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 2047 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3742 SdHoareTripleChecker+Valid, 9460 SdHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2047 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:30,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3742 Valid, 9460 Invalid, 5389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2047 Valid, 3339 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2021-12-22 14:46:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9027 states. [2021-12-22 14:46:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9027 to 8104. [2021-12-22 14:46:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8104 states, 5582 states have (on average 1.3339304908634897) internal successors, (7446), 5701 states have internal predecessors, (7446), 1993 states have call successors, (1993), 529 states have call predecessors, (1993), 528 states have return successors, (1992), 1925 states have call predecessors, (1992), 1992 states have call successors, (1992) [2021-12-22 14:46:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8104 states to 8104 states and 11431 transitions. [2021-12-22 14:46:30,411 INFO L78 Accepts]: Start accepts. Automaton has 8104 states and 11431 transitions. Word has length 194 [2021-12-22 14:46:30,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:30,412 INFO L470 AbstractCegarLoop]: Abstraction has 8104 states and 11431 transitions. [2021-12-22 14:46:30,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-22 14:46:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 8104 states and 11431 transitions. [2021-12-22 14:46:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-22 14:46:30,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:30,417 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:46:30,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:46:30,417 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:30,418 INFO L85 PathProgramCache]: Analyzing trace with hash 853971414, now seen corresponding path program 1 times [2021-12-22 14:46:30,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:30,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349256781] [2021-12-22 14:46:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:30,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:46:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:46:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:46:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:46:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 14:46:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:46:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:46:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:46:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:46:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:46:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:46:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:46:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 14:46:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:46:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:46:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:46:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 14:46:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 14:46:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:46:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 14:46:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-12-22 14:46:30,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:30,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349256781] [2021-12-22 14:46:30,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349256781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:30,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:30,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:46:30,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217285457] [2021-12-22 14:46:30,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:30,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:46:30,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:30,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:46:30,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:46:30,933 INFO L87 Difference]: Start difference. First operand 8104 states and 11431 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)