./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b0972555dcd79a5f779d586a5c7ed93c052eba30949ae32332c80aa686a12f15 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:03:22,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:03:22,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:03:22,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:03:22,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:03:22,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:03:22,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:03:22,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:03:22,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:03:22,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:03:22,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:03:22,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:03:22,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:03:22,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:03:22,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:03:22,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:03:22,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:03:22,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:03:22,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:03:22,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:03:22,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:03:22,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:03:22,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:03:22,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:03:22,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:03:22,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:03:22,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:03:22,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:03:22,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:03:22,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:03:22,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:03:22,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:03:22,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:03:22,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:03:22,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:03:22,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:03:22,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:03:22,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:03:22,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:03:22,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:03:22,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:03:22,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:03:22,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:03:22,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:03:22,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:03:22,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:03:22,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:03:22,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:03:22,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:03:22,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:03:22,290 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:03:22,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:03:22,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:03:22,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:03:22,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:03:22,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:03:22,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:03:22,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:03:22,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:03:22,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:03:22,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:03:22,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:03:22,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:03:22,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:03:22,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:03:22,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:03:22,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:03:22,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:03:22,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:03:22,294 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:03:22,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:03:22,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:03:22,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0972555dcd79a5f779d586a5c7ed93c052eba30949ae32332c80aa686a12f15 [2021-12-28 04:03:22,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:03:22,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:03:22,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:03:22,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:03:22,647 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:03:22,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2021-12-28 04:03:22,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26d0c6fb/7a4abe5de84a4f669bfce514e2344cab/FLAGc7c67dbf1 [2021-12-28 04:03:23,485 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:03:23,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2021-12-28 04:03:23,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26d0c6fb/7a4abe5de84a4f669bfce514e2344cab/FLAGc7c67dbf1 [2021-12-28 04:03:23,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26d0c6fb/7a4abe5de84a4f669bfce514e2344cab [2021-12-28 04:03:23,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:03:23,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:03:23,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:03:23,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:03:23,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:03:23,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:03:23" (1/1) ... [2021-12-28 04:03:23,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199f8247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:23, skipping insertion in model container [2021-12-28 04:03:23,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:03:23" (1/1) ... [2021-12-28 04:03:23,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:03:23,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:03:24,472 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2021-12-28 04:03:24,472 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [9726-9727] [2021-12-28 04:03:24,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i[294645,294658] [2021-12-28 04:03:26,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:03:26,330 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:03:26,500 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2021-12-28 04:03:26,500 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [9726-9727] [2021-12-28 04:03:26,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i[294645,294658] [2021-12-28 04:03:26,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:03:26,940 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:03:26,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26 WrapperNode [2021-12-28 04:03:26,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:03:26,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:03:26,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:03:26,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:03:26,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,241 INFO L137 Inliner]: procedures = 303, calls = 2495, calls flagged for inlining = 133, calls inlined = 125, statements flattened = 6082 [2021-12-28 04:03:27,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:03:27,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:03:27,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:03:27,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:03:27,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:03:27,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:03:27,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:03:27,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:03:27,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (1/1) ... [2021-12-28 04:03:27,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:03:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:03:27,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:03:27,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:03:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:03:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:03:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_task_tag [2021-12-28 04:03:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_task_tag [2021-12-28 04:03:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_unreg_sess [2021-12-28 04:03:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_unreg_sess [2021-12-28 04:03:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-28 04:03:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-28 04:03:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_dif_err [2021-12-28 04:03:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_dif_err [2021-12-28 04:03:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_session [2021-12-28 04:03:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_session [2021-12-28 04:03:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_data_in [2021-12-28 04:03:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_data_in [2021-12-28 04:03:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:03:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:03:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_default_node_attrs [2021-12-28 04:03:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_default_node_attrs [2021-12-28 04:03:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_drop_lport [2021-12-28 04:03:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_drop_lport [2021-12-28 04:03:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_lport_register [2021-12-28 04:03:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_lport_register [2021-12-28 04:03:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:03:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:03:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:03:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:03:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending_status [2021-12-28 04:03:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending_status [2021-12-28 04:03:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:03:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:03:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_stop_free [2021-12-28 04:03:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_stop_free [2021-12-28 04:03:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-28 04:03:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-28 04:03:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_prod_write_protect [2021-12-28 04:03:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_prod_write_protect [2021-12-28 04:03:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_loop_id [2021-12-28 04:03:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_loop_id [2021-12-28 04:03:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_lport [2021-12-28 04:03:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_lport [2021-12-28 04:03:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:03:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:03:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2021-12-28 04:03:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2021-12-28 04:03:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:03:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:03:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:03:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:03:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2021-12-28 04:03:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2021-12-28 04:03:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:03:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:03:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending [2021-12-28 04:03:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending [2021-12-28 04:03:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-28 04:03:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-28 04:03:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_mcmd [2021-12-28 04:03:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_mcmd [2021-12-28 04:03:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_cmd_state [2021-12-28 04:03:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_cmd_state [2021-12-28 04:03:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode [2021-12-28 04:03:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode [2021-12-28 04:03:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_wwn [2021-12-28 04:03:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_wwn [2021-12-28 04:03:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_init_lport [2021-12-28 04:03:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_init_lport [2021-12-28 04:03:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:03:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:03:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_sess [2021-12-28 04:03:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_sess [2021-12-28 04:03:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:03:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure btree_destroy32 [2021-12-28 04:03:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_destroy32 [2021-12-28 04:03:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:03:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:03:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_tag [2021-12-28 04:03:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_tag [2021-12-28 04:03:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_tpg [2021-12-28 04:03:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_tpg [2021-12-28 04:03:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:03:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:03:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:03:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:03:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2021-12-28 04:03:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2021-12-28 04:03:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_write_protect [2021-12-28 04:03:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_write_protect [2021-12-28 04:03:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:03:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:03:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-28 04:03:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2021-12-28 04:03:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2021-12-28 04:03:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id [2021-12-28 04:03:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id [2021-12-28 04:03:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure target_sess_cmd_list_set_waiting [2021-12-28 04:03:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure target_sess_cmd_list_set_waiting [2021-12-28 04:03:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:03:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:03:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_wwn [2021-12-28 04:03:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_wwn [2021-12-28 04:03:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_cmd [2021-12-28 04:03:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_cmd [2021-12-28 04:03:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:03:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:03:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_get_inst_index [2021-12-28 04:03:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_get_inst_index [2021-12-28 04:03:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:03:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:03:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_show_enable [2021-12-28 04:03:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_show_enable [2021-12-28 04:03:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_cache [2021-12-28 04:03:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_cache [2021-12-28 04:03:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_tpg [2021-12-28 04:03:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_tpg [2021-12-28 04:03:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:03:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:03:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2021-12-28 04:03:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2021-12-28 04:03:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_extract_wwn [2021-12-28 04:03:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_extract_wwn [2021-12-28 04:03:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_s_id [2021-12-28 04:03:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_s_id [2021-12-28 04:03:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:03:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-28 04:03:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-28 04:03:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_enable_vha [2021-12-28 04:03:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_enable_vha [2021-12-28 04:03:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_sess [2021-12-28 04:03:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_sess [2021-12-28 04:03:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_login_only [2021-12-28 04:03:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_login_only [2021-12-28 04:03:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_aborted_task [2021-12-28 04:03:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_aborted_task [2021-12-28 04:03:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure btree_remove32 [2021-12-28 04:03:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_remove32 [2021-12-28 04:03:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_tm_rsp [2021-12-28 04:03:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_tm_rsp [2021-12-28 04:03:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_request_failure [2021-12-28 04:03:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_request_failure [2021-12-28 04:03:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_lport [2021-12-28 04:03:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_lport [2021-12-28 04:03:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_stop_phase1 [2021-12-28 04:03:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_stop_phase1 [2021-12-28 04:03:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_proto_ident [2021-12-28 04:03:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_proto_ident [2021-12-28 04:03:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:03:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:03:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_status [2021-12-28 04:03:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_status [2021-12-28 04:03:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_lport [2021-12-28 04:03:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_lport [2021-12-28 04:03:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:03:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:03:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_sess_get_index [2021-12-28 04:03:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_sess_get_index [2021-12-28 04:03:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id_len [2021-12-28 04:03:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id_len [2021-12-28 04:03:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:03:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:03:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_data [2021-12-28 04:03:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_data [2021-12-28 04:03:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:03:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_format_wwn [2021-12-28 04:03:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_format_wwn [2021-12-28 04:03:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 04:03:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 04:03:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:03:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:03:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2021-12-28 04:03:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2021-12-28 04:03:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure btree_insert32 [2021-12-28 04:03:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_insert32 [2021-12-28 04:03:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_fabric_acl [2021-12-28 04:03:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_fabric_acl [2021-12-28 04:03:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:03:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:03:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:03:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 04:03:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 04:03:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_get_fabric_name [2021-12-28 04:03:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_get_fabric_name [2021-12-28 04:03:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:03:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_close_session [2021-12-28 04:03:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_close_session [2021-12-28 04:03:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2021-12-28 04:03:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2021-12-28 04:03:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:03:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:03:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_name [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_name [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_session [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_session [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure btree_update32 [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_update32 [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_pr_out_transport_id [2021-12-28 04:03:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_pr_out_transport_id [2021-12-28 04:03:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_nodeacl [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_nodeacl [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_nodeacl [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_nodeacl [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_xmit_response [2021-12-28 04:03:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_xmit_response [2021-12-28 04:03:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_cmd [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_cmd [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_tpg [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_tpg [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_default_depth [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_default_depth [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_session [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_session [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure target_reverse_dma_direction [2021-12-28 04:03:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure target_reverse_dma_direction [2021-12-28 04:03:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure btree_lookup32 [2021-12-28 04:03:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_lookup32 [2021-12-28 04:03:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:03:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:03:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:03:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:03:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:03:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_alloc_fabric_acl [2021-12-28 04:03:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_alloc_fabric_acl [2021-12-28 04:03:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:03:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:03:28,452 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:03:28,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:03:29,851 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:03:39,051 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:03:39,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:03:39,076 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:03:39,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:03:39 BoogieIcfgContainer [2021-12-28 04:03:39,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:03:39,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:03:39,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:03:39,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:03:39,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:03:23" (1/3) ... [2021-12-28 04:03:39,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8b781b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:03:39, skipping insertion in model container [2021-12-28 04:03:39,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:03:26" (2/3) ... [2021-12-28 04:03:39,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8b781b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:03:39, skipping insertion in model container [2021-12-28 04:03:39,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:03:39" (3/3) ... [2021-12-28 04:03:39,091 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2021-12-28 04:03:39,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:03:39,100 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:03:39,167 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:03:39,174 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:03:39,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:03:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 2122 states, 1485 states have (on average 1.395959595959596) internal successors, (2073), 1532 states have internal predecessors, (2073), 526 states have call successors, (526), 110 states have call predecessors, (526), 109 states have return successors, (513), 494 states have call predecessors, (513), 513 states have call successors, (513) [2021-12-28 04:03:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-28 04:03:39,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:39,275 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:03:39,275 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:39,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1483788873, now seen corresponding path program 1 times [2021-12-28 04:03:39,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:39,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540882966] [2021-12-28 04:03:39,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:39,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:03:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:03:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:03:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:03:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:03:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:03:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:03:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:03:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:03:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:03:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:03:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:03:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:03:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:03:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:03:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:03:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:03:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:03:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:03:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:03:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:03:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:03:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:03:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:03:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 04:03:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:03:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:03:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 04:03:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:03:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-28 04:03:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:03:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:03:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:03:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:03:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:03:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:03:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:03:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 04:03:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:03:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-28 04:03:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-28 04:03:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:03:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:03:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-28 04:03:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-28 04:03:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-28 04:03:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2021-12-28 04:03:40,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:40,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540882966] [2021-12-28 04:03:40,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540882966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:40,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:40,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:03:40,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748285105] [2021-12-28 04:03:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:40,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:03:40,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:40,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:03:40,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:03:40,868 INFO L87 Difference]: Start difference. First operand has 2122 states, 1485 states have (on average 1.395959595959596) internal successors, (2073), 1532 states have internal predecessors, (2073), 526 states have call successors, (526), 110 states have call predecessors, (526), 109 states have return successors, (513), 494 states have call predecessors, (513), 513 states have call successors, (513) Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2021-12-28 04:03:47,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:49,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:51,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:53,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:03:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:57,660 INFO L93 Difference]: Finished difference Result 6045 states and 9122 transitions. [2021-12-28 04:03:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:03:57,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 347 [2021-12-28 04:03:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:57,721 INFO L225 Difference]: With dead ends: 6045 [2021-12-28 04:03:57,721 INFO L226 Difference]: Without dead ends: 3847 [2021-12-28 04:03:57,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:03:57,745 INFO L933 BasicCegarLoop]: 3192 mSDtfsCounter, 3992 mSDsluCounter, 4956 mSDsCounter, 0 mSdLazyCounter, 3080 mSolverCounterSat, 2295 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 8148 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 3080 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:57,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4302 Valid, 8148 Invalid, 5379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2295 Valid, 3080 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2021-12-28 04:03:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2021-12-28 04:03:58,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3707. [2021-12-28 04:03:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3707 states, 2633 states have (on average 1.3801747056589442) internal successors, (3634), 2696 states have internal predecessors, (3634), 861 states have call successors, (861), 213 states have call predecessors, (861), 212 states have return successors, (859), 820 states have call predecessors, (859), 859 states have call successors, (859) [2021-12-28 04:03:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 5354 transitions. [2021-12-28 04:03:58,035 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 5354 transitions. Word has length 347 [2021-12-28 04:03:58,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:58,038 INFO L470 AbstractCegarLoop]: Abstraction has 3707 states and 5354 transitions. [2021-12-28 04:03:58,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2021-12-28 04:03:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 5354 transitions. [2021-12-28 04:03:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-28 04:03:58,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:58,049 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:03:58,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:03:58,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:58,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:58,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1230379648, now seen corresponding path program 1 times [2021-12-28 04:03:58,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:58,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883018763] [2021-12-28 04:03:58,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:58,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:03:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:03:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:03:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:03:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:03:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:03:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:03:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:03:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:03:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:03:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:03:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:03:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:03:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:03:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:03:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:03:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:03:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:03:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:03:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:03:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:03:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-28 04:03:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:03:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:03:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 04:03:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:03:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:03:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 04:03:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:03:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-28 04:03:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:03:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:03:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:03:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:03:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:03:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:03:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:03:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 04:03:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-28 04:03:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-28 04:03:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-28 04:03:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:03:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:03:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-28 04:03:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-28 04:03:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-28 04:03:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2021-12-28 04:03:59,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:59,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883018763] [2021-12-28 04:03:59,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883018763] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:59,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:59,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:03:59,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20449681] [2021-12-28 04:03:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:59,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:03:59,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:59,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:03:59,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:03:59,042 INFO L87 Difference]: Start difference. First operand 3707 states and 5354 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2021-12-28 04:04:02,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:04,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:07,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:09,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:15,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:18,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:04:20,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []