./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.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 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 22:42:01,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 22:42:01,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 22:42:01,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 22:42:01,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 22:42:01,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 22:42:01,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 22:42:01,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 22:42:01,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 22:42:01,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 22:42:01,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 22:42:01,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 22:42:01,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 22:42:01,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 22:42:01,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 22:42:01,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 22:42:01,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 22:42:01,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 22:42:01,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 22:42:01,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 22:42:01,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 22:42:01,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 22:42:01,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 22:42:01,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 22:42:01,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 22:42:01,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 22:42:01,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 22:42:01,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 22:42:01,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 22:42:01,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 22:42:01,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 22:42:01,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 22:42:01,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 22:42:01,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 22:42:01,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 22:42:01,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 22:42:01,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 22:42:01,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 22:42:01,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 22:42:01,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 22:42:01,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 22:42:01,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 22:42:01,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 22:42:02,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 22:42:02,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 22:42:02,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 22:42:02,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 22:42:02,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 22:42:02,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 22:42:02,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 22:42:02,004 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 22:42:02,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 22:42:02,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 22:42:02,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 22:42:02,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 22:42:02,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 22:42:02,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 22:42:02,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:42:02,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 22:42:02,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 22:42:02,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 22:42:02,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 22:42:02,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 22:42:02,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 22:42:02,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 22:42:02,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 22:42:02,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 22:42:02,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e [2021-11-16 22:42:02,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 22:42:02,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 22:42:02,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 22:42:02,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 22:42:02,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 22:42:02,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-16 22:42:02,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d655d16/9f678024ea4043ef9a61683f7e2d4dc5/FLAG7dbe84899 [2021-11-16 22:42:03,196 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 22:42:03,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-16 22:42:03,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d655d16/9f678024ea4043ef9a61683f7e2d4dc5/FLAG7dbe84899 [2021-11-16 22:42:03,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d655d16/9f678024ea4043ef9a61683f7e2d4dc5 [2021-11-16 22:42:03,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 22:42:03,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 22:42:03,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 22:42:03,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 22:42:03,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 22:42:03,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:42:03" (1/1) ... [2021-11-16 22:42:03,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de0540f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:03, skipping insertion in model container [2021-11-16 22:42:03,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:42:03" (1/1) ... [2021-11-16 22:42:03,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 22:42:03,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 22:42:11,417 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-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-16 22:42:11,678 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:42:11,717 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 22:42:12,340 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-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-16 22:42:12,348 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:42:12,546 INFO L208 MainTranslator]: Completed translation [2021-11-16 22:42:12,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12 WrapperNode [2021-11-16 22:42:12,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 22:42:12,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 22:42:12,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 22:42:12,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 22:42:12,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:12,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,206 INFO L137 Inliner]: procedures = 794, calls = 11109, calls flagged for inlining = 308, calls inlined = 144, statements flattened = 13466 [2021-11-16 22:42:13,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 22:42:13,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 22:42:13,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 22:42:13,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 22:42:13,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 22:42:13,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 22:42:13,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 22:42:13,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 22:42:13,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (1/1) ... [2021-11-16 22:42:13,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:42:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:42:13,960 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) [2021-11-16 22:42:14,011 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 [2021-11-16 22:42:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-16 22:42:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-16 22:42:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-16 22:42:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-16 22:42:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-16 22:42:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-16 22:42:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-16 22:42:14,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-16 22:42:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2021-11-16 22:42:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2021-11-16 22:42:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-16 22:42:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-16 22:42:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-16 22:42:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-16 22:42:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-16 22:42:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-16 22:42:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-16 22:42:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-16 22:42:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-16 22:42:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-16 22:42:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-16 22:42:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-16 22:42:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-16 22:42:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-16 22:42:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-16 22:42:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-16 22:42:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-16 22:42:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-16 22:42:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-16 22:42:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-16 22:42:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-16 22:42:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-16 22:42:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-16 22:42:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-16 22:42:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-16 22:42:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-16 22:42:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-16 22:42:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-16 22:42:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-16 22:42:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-16 22:42:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-16 22:42:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-16 22:42:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-16 22:42:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-16 22:42:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-16 22:42:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-16 22:42:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-16 22:42:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-16 22:42:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-16 22:42:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-16 22:42:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-16 22:42:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-16 22:42:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-16 22:42:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-16 22:42:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-16 22:42:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-16 22:42:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-16 22:42:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-16 22:42:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex [2021-11-16 22:42:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex [2021-11-16 22:42:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-16 22:42:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-16 22:42:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-16 22:42:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-16 22:42:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-16 22:42:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-16 22:42:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-16 22:42:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-16 22:42:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 22:42:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-16 22:42:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-16 22:42:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-16 22:42:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-16 22:42:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2021-11-16 22:42:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2021-11-16 22:42:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-16 22:42:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-16 22:42:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-16 22:42:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-16 22:42:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-16 22:42:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-16 22:42:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-16 22:42:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-16 22:42:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-16 22:42:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-16 22:42:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-16 22:42:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-16 22:42:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-16 22:42:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-16 22:42:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-16 22:42:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-16 22:42:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-16 22:42:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-16 22:42:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-16 22:42:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-16 22:42:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-16 22:42:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-16 22:42:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-16 22:42:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-16 22:42:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 22:42:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-16 22:42:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-16 22:42:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-16 22:42:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-16 22:42:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-16 22:42:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-16 22:42:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-16 22:42:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-16 22:42:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-16 22:42:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-16 22:42:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-16 22:42:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-16 22:42:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-16 22:42:14,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-16 22:42:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-16 22:42:14,060 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-16 22:42:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-16 22:42:14,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-16 22:42:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-16 22:42:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-16 22:42:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-16 22:42:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-16 22:42:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-16 22:42:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-16 22:42:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-16 22:42:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-16 22:42:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2021-11-16 22:42:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2021-11-16 22:42:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-16 22:42:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-16 22:42:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2021-11-16 22:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-16 22:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-16 22:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-16 22:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-16 22:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-16 22:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-16 22:42:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 22:42:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 22:42:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2021-11-16 22:42:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2021-11-16 22:42:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-16 22:42:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-16 22:42:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-16 22:42:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-16 22:42:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-16 22:42:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-16 22:42:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-16 22:42:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-16 22:42:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-16 22:42:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-16 22:42:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-16 22:42:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-16 22:42:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-16 22:42:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-16 22:42:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-16 22:42:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-16 22:42:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-16 22:42:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2021-11-16 22:42:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2021-11-16 22:42:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-16 22:42:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-16 22:42:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-16 22:42:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-16 22:42:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-16 22:42:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-16 22:42:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 22:42:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 22:42:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-16 22:42:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-16 22:42:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-16 22:42:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-16 22:42:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-16 22:42:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-16 22:42:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-16 22:42:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-16 22:42:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-16 22:42:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-16 22:42:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-16 22:42:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-16 22:42:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 22:42:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-16 22:42:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-16 22:42:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-16 22:42:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-16 22:42:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2021-11-16 22:42:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2021-11-16 22:42:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 22:42:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-16 22:42:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-16 22:42:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-16 22:42:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-16 22:42:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-16 22:42:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-16 22:42:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-16 22:42:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-16 22:42:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-16 22:42:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-16 22:42:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-16 22:42:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-16 22:42:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-16 22:42:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-16 22:42:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-16 22:42:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-16 22:42:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-16 22:42:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-16 22:42:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-16 22:42:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-16 22:42:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2021-11-16 22:42:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-16 22:42:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-16 22:42:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-16 22:42:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-16 22:42:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2021-11-16 22:42:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2021-11-16 22:42:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-16 22:42:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-16 22:42:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-16 22:42:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-16 22:42:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 22:42:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-16 22:42:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-16 22:42:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-16 22:42:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-16 22:42:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-16 22:42:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-16 22:42:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-16 22:42:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-16 22:42:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-16 22:42:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-16 22:42:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-16 22:42:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-16 22:42:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-16 22:42:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-16 22:42:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-16 22:42:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-16 22:42:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-16 22:42:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-16 22:42:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-16 22:42:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-16 22:42:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-16 22:42:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-16 22:42:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-16 22:42:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-16 22:42:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-16 22:42:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-16 22:42:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-16 22:42:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-16 22:42:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2021-11-16 22:42:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 22:42:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-16 22:42:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-16 22:42:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-16 22:42:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-16 22:42:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-16 22:42:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-16 22:42:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-11-16 22:42:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2021-11-16 22:42:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-16 22:42:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2021-11-16 22:42:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-16 22:42:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-16 22:42:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-16 22:42:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-16 22:42:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-16 22:42:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-16 22:42:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-16 22:42:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-16 22:42:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-16 22:42:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-16 22:42:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-16 22:42:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-16 22:42:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-16 22:42:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-16 22:42:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-16 22:42:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-16 22:42:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-16 22:42:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-16 22:42:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-16 22:42:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-16 22:42:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-16 22:42:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-16 22:42:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2021-11-16 22:42:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2021-11-16 22:42:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-16 22:42:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-16 22:42:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2021-11-16 22:42:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-16 22:42:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-16 22:42:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-16 22:42:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-16 22:42:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-16 22:42:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 22:42:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-16 22:42:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-16 22:42:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-16 22:42:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-16 22:42:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-16 22:42:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-16 22:42:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-16 22:42:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-16 22:42:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-16 22:42:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-16 22:42:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-16 22:42:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-16 22:42:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-16 22:42:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-16 22:42:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-16 22:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-16 22:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-16 22:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-16 22:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2021-11-16 22:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2021-11-16 22:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-16 22:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-16 22:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-16 22:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-16 22:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-16 22:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-16 22:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-16 22:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-16 22:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-16 22:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-16 22:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2021-11-16 22:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2021-11-16 22:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-16 22:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-16 22:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-16 22:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-16 22:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-16 22:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2021-11-16 22:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-16 22:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-16 22:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-16 22:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-16 22:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-16 22:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-16 22:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-16 22:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-16 22:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-16 22:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2021-11-16 22:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2021-11-16 22:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-16 22:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-16 22:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2021-11-16 22:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-16 22:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-16 22:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-16 22:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-16 22:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-16 22:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-16 22:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-16 22:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-16 22:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-16 22:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-16 22:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-16 22:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-16 22:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-16 22:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-16 22:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-16 22:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-16 22:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-16 22:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-16 22:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-16 22:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-16 22:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-16 22:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-16 22:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-16 22:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-16 22:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-16 22:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-16 22:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-16 22:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2021-11-16 22:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2021-11-16 22:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-16 22:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-16 22:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2021-11-16 22:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2021-11-16 22:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-16 22:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-16 22:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-16 22:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-16 22:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-16 22:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-16 22:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-16 22:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-16 22:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-16 22:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2021-11-16 22:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2021-11-16 22:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2021-11-16 22:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2021-11-16 22:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-16 22:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-16 22:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-16 22:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-16 22:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-16 22:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-16 22:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-16 22:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-16 22:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-16 22:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-16 22:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-16 22:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-16 22:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-16 22:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-16 22:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 22:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-16 22:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-16 22:42:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-16 22:42:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-16 22:42:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-16 22:42:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-16 22:42:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-16 22:42:15,346 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 22:42:15,350 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 22:42:32,953 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 22:42:32,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 22:42:32,981 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-16 22:42:32,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:42:32 BoogieIcfgContainer [2021-11-16 22:42:32,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 22:42:32,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 22:42:32,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 22:42:32,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 22:42:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:42:03" (1/3) ... [2021-11-16 22:42:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b11c474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:42:32, skipping insertion in model container [2021-11-16 22:42:32,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:42:12" (2/3) ... [2021-11-16 22:42:32,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b11c474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:42:32, skipping insertion in model container [2021-11-16 22:42:32,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:42:32" (3/3) ... [2021-11-16 22:42:32,995 INFO L111 eAbstractionObserver]: Analyzing ICFG main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-16 22:42:33,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 22:42:33,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 22:42:33,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 22:42:33,057 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 [2021-11-16 22:42:33,058 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 22:42:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 5143 states, 3667 states have (on average 1.4112353422416144) internal successors, (5175), 3796 states have internal predecessors, (5175), 1228 states have call successors, (1228), 247 states have call predecessors, (1228), 247 states have return successors, (1228), 1182 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-11-16 22:42:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-16 22:42:33,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:42:33,134 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:42:33,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:42:33,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:42:33,138 INFO L85 PathProgramCache]: Analyzing trace with hash -9735419, now seen corresponding path program 1 times [2021-11-16 22:42:33,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:42:33,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280893620] [2021-11-16 22:42:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:42:33,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:42:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:42:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:42:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:42:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:42:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:42:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:42:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:42:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:42:34,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:42:34,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280893620] [2021-11-16 22:42:34,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280893620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:42:34,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:42:34,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:42:34,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670922430] [2021-11-16 22:42:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:42:34,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:42:34,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:42:34,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:42:34,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:42:34,071 INFO L87 Difference]: Start difference. First operand has 5143 states, 3667 states have (on average 1.4112353422416144) internal successors, (5175), 3796 states have internal predecessors, (5175), 1228 states have call successors, (1228), 247 states have call predecessors, (1228), 247 states have return successors, (1228), 1182 states have call predecessors, (1228), 1228 states have call successors, (1228) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:42:36,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:42:38,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:42:40,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:42:58,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:01,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:03,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:18,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:19,851 INFO L93 Difference]: Finished difference Result 17681 states and 27520 transitions. [2021-11-16 22:43:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 22:43:19,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-16 22:43:19,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:19,950 INFO L225 Difference]: With dead ends: 17681 [2021-11-16 22:43:19,950 INFO L226 Difference]: Without dead ends: 12523 [2021-11-16 22:43:20,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:43:20,010 INFO L933 BasicCegarLoop]: 7343 mSDtfsCounter, 19363 mSDsluCounter, 3494 mSDsCounter, 0 mSdLazyCounter, 15807 mSolverCounterSat, 10513 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20286 SdHoareTripleChecker+Valid, 10837 SdHoareTripleChecker+Invalid, 26324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10513 IncrementalHoareTripleChecker+Valid, 15807 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:20,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20286 Valid, 10837 Invalid, 26324 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10513 Valid, 15807 Invalid, 4 Unknown, 0 Unchecked, 44.3s Time] [2021-11-16 22:43:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12523 states. [2021-11-16 22:43:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12523 to 9485. [2021-11-16 22:43:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9485 states, 6735 states have (on average 1.4028210838901263) internal successors, (9448), 6964 states have internal predecessors, (9448), 2277 states have call successors, (2277), 474 states have call predecessors, (2277), 472 states have return successors, (2266), 2182 states have call predecessors, (2266), 2266 states have call successors, (2266) [2021-11-16 22:43:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9485 states to 9485 states and 13991 transitions. [2021-11-16 22:43:20,597 INFO L78 Accepts]: Start accepts. Automaton has 9485 states and 13991 transitions. Word has length 24 [2021-11-16 22:43:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:20,598 INFO L470 AbstractCegarLoop]: Abstraction has 9485 states and 13991 transitions. [2021-11-16 22:43:20,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:43:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 9485 states and 13991 transitions. [2021-11-16 22:43:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-16 22:43:20,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:20,602 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:20,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 22:43:20,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:20,604 INFO L85 PathProgramCache]: Analyzing trace with hash -304005261, now seen corresponding path program 1 times [2021-11-16 22:43:20,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:20,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747815606] [2021-11-16 22:43:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:20,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:43:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:43:21,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:21,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747815606] [2021-11-16 22:43:21,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747815606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:21,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:43:21,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:43:21,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203703117] [2021-11-16 22:43:21,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:21,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:43:21,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:43:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:43:21,150 INFO L87 Difference]: Start difference. First operand 9485 states and 13991 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:43:23,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:25,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:27,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:43,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:46,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:47,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:02,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:44:03,105 INFO L93 Difference]: Finished difference Result 12525 states and 19072 transitions. [2021-11-16 22:44:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 22:44:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-16 22:44:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:44:03,168 INFO L225 Difference]: With dead ends: 12525 [2021-11-16 22:44:03,169 INFO L226 Difference]: Without dead ends: 12522 [2021-11-16 22:44:03,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:44:03,177 INFO L933 BasicCegarLoop]: 7157 mSDtfsCounter, 19504 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 15693 mSolverCounterSat, 10571 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20431 SdHoareTripleChecker+Valid, 10579 SdHoareTripleChecker+Invalid, 26269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10571 IncrementalHoareTripleChecker+Valid, 15693 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2021-11-16 22:44:03,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20431 Valid, 10579 Invalid, 26269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10571 Valid, 15693 Invalid, 5 Unknown, 0 Unchecked, 41.1s Time] [2021-11-16 22:44:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12522 states. [2021-11-16 22:44:03,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12522 to 9484. [2021-11-16 22:44:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9484 states, 6735 states have (on average 1.4026726057906458) internal successors, (9447), 6963 states have internal predecessors, (9447), 2276 states have call successors, (2276), 474 states have call predecessors, (2276), 472 states have return successors, (2266), 2182 states have call predecessors, (2266), 2266 states have call successors, (2266) [2021-11-16 22:44:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9484 states to 9484 states and 13989 transitions. [2021-11-16 22:44:03,525 INFO L78 Accepts]: Start accepts. Automaton has 9484 states and 13989 transitions. Word has length 25 [2021-11-16 22:44:03,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:44:03,525 INFO L470 AbstractCegarLoop]: Abstraction has 9484 states and 13989 transitions. [2021-11-16 22:44:03,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:44:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 9484 states and 13989 transitions. [2021-11-16 22:44:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-16 22:44:03,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:44:03,527 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:44:03,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 22:44:03,527 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:44:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:44:03,528 INFO L85 PathProgramCache]: Analyzing trace with hash -836430904, now seen corresponding path program 1 times [2021-11-16 22:44:03,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:44:03,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630840292] [2021-11-16 22:44:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:44:03,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:44:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:44:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:44:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:44:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:44:04,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:44:04,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630840292] [2021-11-16 22:44:04,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630840292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:44:04,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:44:04,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:44:04,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930081300] [2021-11-16 22:44:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:44:04,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:44:04,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:44:04,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:44:04,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:44:04,054 INFO L87 Difference]: Start difference. First operand 9484 states and 13989 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:44:06,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:08,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:10,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:26,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:30,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:47,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:44:48,486 INFO L93 Difference]: Finished difference Result 12524 states and 19070 transitions. [2021-11-16 22:44:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 22:44:48,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2021-11-16 22:44:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:44:48,530 INFO L225 Difference]: With dead ends: 12524 [2021-11-16 22:44:48,530 INFO L226 Difference]: Without dead ends: 12521 [2021-11-16 22:44:48,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:44:48,542 INFO L933 BasicCegarLoop]: 7175 mSDtfsCounter, 19514 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 15645 mSolverCounterSat, 10565 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20441 SdHoareTripleChecker+Valid, 10545 SdHoareTripleChecker+Invalid, 26214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10565 IncrementalHoareTripleChecker+Valid, 15645 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2021-11-16 22:44:48,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20441 Valid, 10545 Invalid, 26214 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10565 Valid, 15645 Invalid, 4 Unknown, 0 Unchecked, 43.4s Time] [2021-11-16 22:44:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12521 states. [2021-11-16 22:44:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12521 to 9483. [2021-11-16 22:44:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9483 states, 6735 states have (on average 1.4025241276911655) internal successors, (9446), 6962 states have internal predecessors, (9446), 2275 states have call successors, (2275), 474 states have call predecessors, (2275), 472 states have return successors, (2266), 2182 states have call predecessors, (2266), 2266 states have call successors, (2266) [2021-11-16 22:44:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9483 states to 9483 states and 13987 transitions. [2021-11-16 22:44:48,862 INFO L78 Accepts]: Start accepts. Automaton has 9483 states and 13987 transitions. Word has length 26 [2021-11-16 22:44:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:44:48,862 INFO L470 AbstractCegarLoop]: Abstraction has 9483 states and 13987 transitions. [2021-11-16 22:44:48,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:44:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9483 states and 13987 transitions. [2021-11-16 22:44:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-16 22:44:48,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:44:48,864 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:44:48,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 22:44:48,864 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:44:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:44:48,865 INFO L85 PathProgramCache]: Analyzing trace with hash -161751786, now seen corresponding path program 1 times [2021-11-16 22:44:48,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:44:48,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269535082] [2021-11-16 22:44:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:44:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:44:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:44:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:49,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:44:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:44:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:44:49,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:44:49,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269535082] [2021-11-16 22:44:49,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269535082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:44:49,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:44:49,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:44:49,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123718414] [2021-11-16 22:44:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:44:49,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:44:49,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:44:49,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:44:49,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:44:49,228 INFO L87 Difference]: Start difference. First operand 9483 states and 13987 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:44:51,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:53,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:55,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:33,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:37,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:39,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:45:47,995 INFO L93 Difference]: Finished difference Result 33464 states and 52289 transitions. [2021-11-16 22:45:47,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 22:45:47,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-11-16 22:45:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:45:48,142 INFO L225 Difference]: With dead ends: 33464 [2021-11-16 22:45:48,143 INFO L226 Difference]: Without dead ends: 23991 [2021-11-16 22:45:48,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:45:48,211 INFO L933 BasicCegarLoop]: 8752 mSDtfsCounter, 18386 mSDsluCounter, 4380 mSDsCounter, 0 mSdLazyCounter, 17501 mSolverCounterSat, 10130 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19281 SdHoareTripleChecker+Valid, 13132 SdHoareTripleChecker+Invalid, 27635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10130 IncrementalHoareTripleChecker+Valid, 17501 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.2s IncrementalHoareTripleChecker+Time [2021-11-16 22:45:48,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19281 Valid, 13132 Invalid, 27635 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10130 Valid, 17501 Invalid, 4 Unknown, 0 Unchecked, 57.2s Time] [2021-11-16 22:45:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23991 states. [2021-11-16 22:45:49,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23991 to 21081. [2021-11-16 22:45:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21081 states, 15006 states have (on average 1.4002399040383846) internal successors, (21012), 15629 states have internal predecessors, (21012), 4954 states have call successors, (4954), 936 states have call predecessors, (4954), 1120 states have return successors, (6268), 4849 states have call predecessors, (6268), 4938 states have call successors, (6268) [2021-11-16 22:45:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21081 states to 21081 states and 32234 transitions. [2021-11-16 22:45:49,149 INFO L78 Accepts]: Start accepts. Automaton has 21081 states and 32234 transitions. Word has length 27 [2021-11-16 22:45:49,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:45:49,150 INFO L470 AbstractCegarLoop]: Abstraction has 21081 states and 32234 transitions. [2021-11-16 22:45:49,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:45:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21081 states and 32234 transitions. [2021-11-16 22:45:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-16 22:45:49,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:45:49,153 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-16 22:45:49,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 22:45:49,153 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:45:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:45:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash -721530741, now seen corresponding path program 1 times [2021-11-16 22:45:49,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:45:49,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878924095] [2021-11-16 22:45:49,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:45:49,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:45:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:45:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:45:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:45:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:45:49,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:45:49,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878924095] [2021-11-16 22:45:49,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878924095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:45:49,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:45:49,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:45:49,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672351103] [2021-11-16 22:45:49,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:45:49,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:45:49,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:45:49,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:45:49,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:45:49,543 INFO L87 Difference]: Start difference. First operand 21081 states and 32234 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:45:51,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:53,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:56,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:46:01,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:46:31,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:47:56,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:48:04,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:48:07,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:48:10,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:48:29,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:48:29,113 INFO L93 Difference]: Finished difference Result 66165 states and 107746 transitions. [2021-11-16 22:48:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 22:48:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-11-16 22:48:29,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:48:29,290 INFO L225 Difference]: With dead ends: 66165 [2021-11-16 22:48:29,290 INFO L226 Difference]: Without dead ends: 45088 [2021-11-16 22:48:29,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:48:29,405 INFO L933 BasicCegarLoop]: 12252 mSDtfsCounter, 15729 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 20237 mSolverCounterSat, 8606 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16696 SdHoareTripleChecker+Valid, 17787 SdHoareTripleChecker+Invalid, 28847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8606 IncrementalHoareTripleChecker+Valid, 20237 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.8s IncrementalHoareTripleChecker+Time [2021-11-16 22:48:29,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16696 Valid, 17787 Invalid, 28847 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8606 Valid, 20237 Invalid, 4 Unknown, 0 Unchecked, 155.8s Time] [2021-11-16 22:48:29,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45088 states. [2021-11-16 22:48:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45088 to 39077. [2021-11-16 22:48:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39077 states, 27783 states have (on average 1.4005686930857) internal successors, (38912), 28974 states have internal predecessors, (38912), 9198 states have call successors, (9198), 1806 states have call predecessors, (9198), 2095 states have return successors, (13382), 8916 states have call predecessors, (13382), 9181 states have call successors, (13382) [2021-11-16 22:48:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39077 states to 39077 states and 61492 transitions. [2021-11-16 22:48:30,972 INFO L78 Accepts]: Start accepts. Automaton has 39077 states and 61492 transitions. Word has length 28 [2021-11-16 22:48:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:48:30,973 INFO L470 AbstractCegarLoop]: Abstraction has 39077 states and 61492 transitions. [2021-11-16 22:48:30,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-16 22:48:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 39077 states and 61492 transitions. [2021-11-16 22:48:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-16 22:48:30,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:48:30,979 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-16 22:48:30,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-16 22:48:30,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:48:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:48:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1795131279, now seen corresponding path program 1 times [2021-11-16 22:48:30,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:48:30,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782808237] [2021-11-16 22:48:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:48:30,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:48:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:48:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:48:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:48:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-16 22:48:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 22:48:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 22:48:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:48:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 22:48:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:48:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:48:31,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:48:31,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782808237] [2021-11-16 22:48:31,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782808237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:48:31,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:48:31,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:48:31,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965457704] [2021-11-16 22:48:31,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:48:31,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:48:31,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:48:31,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:48:31,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:48:31,530 INFO L87 Difference]: Start difference. First operand 39077 states and 61492 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:48:33,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:48:35,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:49:48,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:49:53,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:49:54,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:49:56,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:50:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:50:03,813 INFO L93 Difference]: Finished difference Result 84039 states and 133706 transitions. [2021-11-16 22:50:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 22:50:03,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 71 [2021-11-16 22:50:03,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:50:04,172 INFO L225 Difference]: With dead ends: 84039 [2021-11-16 22:50:04,172 INFO L226 Difference]: Without dead ends: 44972 [2021-11-16 22:50:04,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-16 22:50:04,327 INFO L933 BasicCegarLoop]: 7322 mSDtfsCounter, 6642 mSDsluCounter, 5308 mSDsCounter, 0 mSdLazyCounter, 12313 mSolverCounterSat, 4109 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7195 SdHoareTripleChecker+Valid, 12630 SdHoareTripleChecker+Invalid, 16425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4109 IncrementalHoareTripleChecker+Valid, 12313 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.8s IncrementalHoareTripleChecker+Time [2021-11-16 22:50:04,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7195 Valid, 12630 Invalid, 16425 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4109 Valid, 12313 Invalid, 3 Unknown, 0 Unchecked, 88.8s Time] [2021-11-16 22:50:04,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44972 states. [2021-11-16 22:50:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44972 to 39081. [2021-11-16 22:50:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39081 states, 27787 states have (on average 1.4005110303379278) internal successors, (38916), 28978 states have internal predecessors, (38916), 9198 states have call successors, (9198), 1806 states have call predecessors, (9198), 2095 states have return successors, (13382), 8916 states have call predecessors, (13382), 9181 states have call successors, (13382) [2021-11-16 22:50:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39081 states to 39081 states and 61496 transitions. [2021-11-16 22:50:06,302 INFO L78 Accepts]: Start accepts. Automaton has 39081 states and 61496 transitions. Word has length 71 [2021-11-16 22:50:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:50:06,304 INFO L470 AbstractCegarLoop]: Abstraction has 39081 states and 61496 transitions. [2021-11-16 22:50:06,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:50:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 39081 states and 61496 transitions. [2021-11-16 22:50:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-16 22:50:06,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:50:06,306 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-16 22:50:06,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-16 22:50:06,307 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:50:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:50:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2028580812, now seen corresponding path program 1 times [2021-11-16 22:50:06,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:50:06,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265297737] [2021-11-16 22:50:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:50:06,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:50:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:50:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:50:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:50:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 22:50:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 22:50:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 22:50:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:50:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 22:50:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:50:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:50:07,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:50:07,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265297737] [2021-11-16 22:50:07,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265297737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:50:07,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:50:07,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 22:50:07,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944437237] [2021-11-16 22:50:07,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:50:07,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 22:50:07,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:50:07,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 22:50:07,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:50:07,124 INFO L87 Difference]: Start difference. First operand 39081 states and 61496 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:50:09,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:50:11,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:51:47,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:51:54,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:51:56,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:51:59,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:52:08,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:52:08,790 INFO L93 Difference]: Finished difference Result 84059 states and 133734 transitions. [2021-11-16 22:52:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 22:52:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 68 [2021-11-16 22:52:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:52:08,989 INFO L225 Difference]: With dead ends: 84059 [2021-11-16 22:52:08,990 INFO L226 Difference]: Without dead ends: 44988 [2021-11-16 22:52:09,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:52:09,279 INFO L933 BasicCegarLoop]: 7245 mSDtfsCounter, 6616 mSDsluCounter, 8513 mSDsCounter, 0 mSdLazyCounter, 17306 mSolverCounterSat, 4111 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7168 SdHoareTripleChecker+Valid, 15758 SdHoareTripleChecker+Invalid, 21421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4111 IncrementalHoareTripleChecker+Valid, 17306 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.3s IncrementalHoareTripleChecker+Time [2021-11-16 22:52:09,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7168 Valid, 15758 Invalid, 21421 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4111 Valid, 17306 Invalid, 4 Unknown, 0 Unchecked, 118.3s Time] [2021-11-16 22:52:09,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44988 states. [2021-11-16 22:52:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44988 to 39093. [2021-11-16 22:52:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39093 states, 27799 states have (on average 1.400338141659772) internal successors, (38928), 28990 states have internal predecessors, (38928), 9198 states have call successors, (9198), 1806 states have call predecessors, (9198), 2095 states have return successors, (13382), 8916 states have call predecessors, (13382), 9181 states have call successors, (13382) [2021-11-16 22:52:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39093 states to 39093 states and 61508 transitions. [2021-11-16 22:52:11,287 INFO L78 Accepts]: Start accepts. Automaton has 39093 states and 61508 transitions. Word has length 68 [2021-11-16 22:52:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:52:11,287 INFO L470 AbstractCegarLoop]: Abstraction has 39093 states and 61508 transitions. [2021-11-16 22:52:11,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:52:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 39093 states and 61508 transitions. [2021-11-16 22:52:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-16 22:52:11,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:52:11,289 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-16 22:52:11,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-16 22:52:11,289 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:52:11,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:52:11,290 INFO L85 PathProgramCache]: Analyzing trace with hash -237054325, now seen corresponding path program 1 times [2021-11-16 22:52:11,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:52:11,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420913168] [2021-11-16 22:52:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:52:11,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:52:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:52:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:52:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:52:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-16 22:52:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 22:52:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 22:52:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:52:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 22:52:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:52:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-16 22:52:12,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:52:12,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420913168] [2021-11-16 22:52:12,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420913168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:52:12,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:52:12,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 22:52:12,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444132189] [2021-11-16 22:52:12,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:52:12,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 22:52:12,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:52:12,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 22:52:12,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:52:12,123 INFO L87 Difference]: Start difference. First operand 39093 states and 61508 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:52:14,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:52:16,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:53:53,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:53:59,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:01,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:02,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:04,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:54:13,214 INFO L93 Difference]: Finished difference Result 84087 states and 133758 transitions. [2021-11-16 22:54:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 22:54:13,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 71 [2021-11-16 22:54:13,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:54:13,471 INFO L225 Difference]: With dead ends: 84087 [2021-11-16 22:54:13,471 INFO L226 Difference]: Without dead ends: 45004 [2021-11-16 22:54:13,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:54:13,625 INFO L933 BasicCegarLoop]: 7253 mSDtfsCounter, 6632 mSDsluCounter, 8584 mSDsCounter, 0 mSdLazyCounter, 17266 mSolverCounterSat, 4111 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7183 SdHoareTripleChecker+Valid, 15837 SdHoareTripleChecker+Invalid, 21380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4111 IncrementalHoareTripleChecker+Valid, 17266 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.6s IncrementalHoareTripleChecker+Time [2021-11-16 22:54:13,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7183 Valid, 15837 Invalid, 21380 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4111 Valid, 17266 Invalid, 3 Unknown, 0 Unchecked, 117.6s Time] [2021-11-16 22:54:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45004 states. [2021-11-16 22:54:15,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45004 to 39107. [2021-11-16 22:54:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39107 states, 27811 states have (on average 1.400165402178994) internal successors, (38940), 29004 states have internal predecessors, (38940), 9198 states have call successors, (9198), 1806 states have call predecessors, (9198), 2097 states have return successors, (13386), 8916 states have call predecessors, (13386), 9181 states have call successors, (13386) [2021-11-16 22:54:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39107 states to 39107 states and 61524 transitions. [2021-11-16 22:54:15,342 INFO L78 Accepts]: Start accepts. Automaton has 39107 states and 61524 transitions. Word has length 71 [2021-11-16 22:54:15,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:54:15,342 INFO L470 AbstractCegarLoop]: Abstraction has 39107 states and 61524 transitions. [2021-11-16 22:54:15,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-16 22:54:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 39107 states and 61524 transitions. [2021-11-16 22:54:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-16 22:54:15,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:54:15,344 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-16 22:54:15,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-16 22:54:15,344 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:54:15,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:54:15,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1814879944, now seen corresponding path program 1 times [2021-11-16 22:54:15,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:54:15,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362258147] [2021-11-16 22:54:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:54:15,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:54:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:54:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:54:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 22:54:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-16 22:54:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 22:54:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 22:54:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:54:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 22:54:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:54:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-16 22:54:16,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:54:16,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362258147] [2021-11-16 22:54:16,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362258147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:54:16,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:54:16,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 22:54:16,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78597907] [2021-11-16 22:54:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:54:16,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 22:54:16,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:54:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 22:54:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:54:16,795 INFO L87 Difference]: Start difference. First operand 39107 states and 61524 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-16 22:54:18,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:21,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:23,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:54:25,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15