./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:50:58,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:50:58,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:50:58,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:50:58,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:50:58,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:50:58,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:50:58,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:50:58,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:50:58,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:50:58,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:50:58,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:50:58,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:50:58,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:50:58,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:50:58,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:50:58,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:50:58,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:50:58,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:50:58,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:50:58,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:50:58,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:50:58,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:50:58,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:50:58,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:50:58,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:50:58,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:50:58,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:50:58,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:50:58,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:50:58,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:50:58,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:50:58,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:50:58,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:50:58,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:50:58,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:50:58,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:50:58,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:50:58,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:50:58,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:50:58,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:50:58,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:50:58,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:50:58,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:50:58,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:50:58,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:50:58,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:50:58,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:50:58,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:50:58,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:50:58,593 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:50:58,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:50:58,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:50:58,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:50:58,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:50:58,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:50:58,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:50:58,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:50:58,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:50:58,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:50:58,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:50:58,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:50:58,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:50:58,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:50:58,597 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:50:58,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:50:58,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:50:58,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:50:58,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0972555dcd79a5f779d586a5c7ed93c052eba30949ae32332c80aa686a12f15 [2021-12-14 17:50:58,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:50:58,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:50:58,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:50:58,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:50:58,836 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:50:58,837 INFO L432 ainManager$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 [2021-12-14 17:50:58,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4173c4d54/c227ee87bae44a63bf6dc6420f9ed24a/FLAG85205e0b0 [2021-12-14 17:50:59,607 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:50:59,608 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 [2021-12-14 17:50:59,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4173c4d54/c227ee87bae44a63bf6dc6420f9ed24a/FLAG85205e0b0 [2021-12-14 17:50:59,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4173c4d54/c227ee87bae44a63bf6dc6420f9ed24a [2021-12-14 17:50:59,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:50:59,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:50:59,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:50:59,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:50:59,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:50:59,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:59" (1/1) ... [2021-12-14 17:50:59,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbbe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:59, skipping insertion in model container [2021-12-14 17:50:59,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:59" (1/1) ... [2021-12-14 17:50:59,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:50:59,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:51:00,333 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2021-12-14 17:51:00,333 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] [2021-12-14 17:51:00,717 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] [2021-12-14 17:51:01,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:01,917 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:51:02,078 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2021-12-14 17:51:02,079 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] [2021-12-14 17:51:02,090 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] [2021-12-14 17:51:02,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:02,513 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:51:02,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02 WrapperNode [2021-12-14 17:51:02,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:02,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:02,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:51:02,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:51:02,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,754 INFO L137 Inliner]: procedures = 303, calls = 2495, calls flagged for inlining = 133, calls inlined = 125, statements flattened = 6082 [2021-12-14 17:51:02,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:02,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:51:02,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:51:02,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:51:02,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:02,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:51:02,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:51:02,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:51:02,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:51:02,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (1/1) ... [2021-12-14 17:51:03,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:51:03,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:51:03,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:51:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:51:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:51:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_task_tag [2021-12-14 17:51:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_task_tag [2021-12-14 17:51:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_unreg_sess [2021-12-14 17:51:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_unreg_sess [2021-12-14 17:51:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 17:51:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 17:51:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_dif_err [2021-12-14 17:51:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_dif_err [2021-12-14 17:51:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_session [2021-12-14 17:51:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_session [2021-12-14 17:51:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_data_in [2021-12-14 17:51:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_data_in [2021-12-14 17:51:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:51:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:51:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_default_node_attrs [2021-12-14 17:51:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_default_node_attrs [2021-12-14 17:51:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_drop_lport [2021-12-14 17:51:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_drop_lport [2021-12-14 17:51:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_lport_register [2021-12-14 17:51:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_lport_register [2021-12-14 17:51:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:51:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:51:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:51:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:51:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending_status [2021-12-14 17:51:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending_status [2021-12-14 17:51:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 17:51:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 17:51:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_stop_free [2021-12-14 17:51:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_stop_free [2021-12-14 17:51:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-14 17:51:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-14 17:51:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_prod_write_protect [2021-12-14 17:51:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_prod_write_protect [2021-12-14 17:51:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_loop_id [2021-12-14 17:51:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_loop_id [2021-12-14 17:51:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_lport [2021-12-14 17:51:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_lport [2021-12-14 17:51:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:51:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:51:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2021-12-14 17:51:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2021-12-14 17:51:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:51:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:51:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:51:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:51:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2021-12-14 17:51:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2021-12-14 17:51:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:51:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:51:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending [2021-12-14 17:51:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending [2021-12-14 17:51:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-14 17:51:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-14 17:51:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_mcmd [2021-12-14 17:51:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_mcmd [2021-12-14 17:51:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_cmd_state [2021-12-14 17:51:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_cmd_state [2021-12-14 17:51:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode [2021-12-14 17:51:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode [2021-12-14 17:51:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_wwn [2021-12-14 17:51:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_wwn [2021-12-14 17:51:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_init_lport [2021-12-14 17:51:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_init_lport [2021-12-14 17:51:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:51:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:51:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_sess [2021-12-14 17:51:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_sess [2021-12-14 17:51:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:51:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure btree_destroy32 [2021-12-14 17:51:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_destroy32 [2021-12-14 17:51:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:51:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:51:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_tag [2021-12-14 17:51:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_tag [2021-12-14 17:51:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_tpg [2021-12-14 17:51:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_tpg [2021-12-14 17:51:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:51:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:51:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:51:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 17:51:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2021-12-14 17:51:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2021-12-14 17:51:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_write_protect [2021-12-14 17:51:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_write_protect [2021-12-14 17:51:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:51:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:51:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-14 17:51:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2021-12-14 17:51:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2021-12-14 17:51:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id [2021-12-14 17:51:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id [2021-12-14 17:51:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure target_sess_cmd_list_set_waiting [2021-12-14 17:51:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure target_sess_cmd_list_set_waiting [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_wwn [2021-12-14 17:51:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_wwn [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_cmd [2021-12-14 17:51:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_cmd [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:51:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:51:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_get_inst_index [2021-12-14 17:51:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_get_inst_index [2021-12-14 17:51:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:51:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:51:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_show_enable [2021-12-14 17:51:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_show_enable [2021-12-14 17:51:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_cache [2021-12-14 17:51:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_cache [2021-12-14 17:51:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_tpg [2021-12-14 17:51:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_tpg [2021-12-14 17:51:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:51:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:51:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2021-12-14 17:51:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2021-12-14 17:51:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_extract_wwn [2021-12-14 17:51:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_extract_wwn [2021-12-14 17:51:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_s_id [2021-12-14 17:51:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_s_id [2021-12-14 17:51:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:51:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 17:51:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 17:51:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_enable_vha [2021-12-14 17:51:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_enable_vha [2021-12-14 17:51:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_sess [2021-12-14 17:51:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_sess [2021-12-14 17:51:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_login_only [2021-12-14 17:51:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_login_only [2021-12-14 17:51:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_aborted_task [2021-12-14 17:51:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_aborted_task [2021-12-14 17:51:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure btree_remove32 [2021-12-14 17:51:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_remove32 [2021-12-14 17:51:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_tm_rsp [2021-12-14 17:51:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_tm_rsp [2021-12-14 17:51:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_request_failure [2021-12-14 17:51:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_request_failure [2021-12-14 17:51:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_lport [2021-12-14 17:51:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_lport [2021-12-14 17:51:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_stop_phase1 [2021-12-14 17:51:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_stop_phase1 [2021-12-14 17:51:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_proto_ident [2021-12-14 17:51:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_proto_ident [2021-12-14 17:51:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 17:51:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 17:51:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_status [2021-12-14 17:51:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_status [2021-12-14 17:51:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_lport [2021-12-14 17:51:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_lport [2021-12-14 17:51:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:51:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:51:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_sess_get_index [2021-12-14 17:51:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_sess_get_index [2021-12-14 17:51:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id_len [2021-12-14 17:51:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id_len [2021-12-14 17:51:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 17:51:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_data [2021-12-14 17:51:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_data [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_format_wwn [2021-12-14 17:51:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_format_wwn [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 17:51:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:51:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:51:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2021-12-14 17:51:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2021-12-14 17:51:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure btree_insert32 [2021-12-14 17:51:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_insert32 [2021-12-14 17:51:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_fabric_acl [2021-12-14 17:51:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_fabric_acl [2021-12-14 17:51:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:51:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-14 17:51:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-14 17:51:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-14 17:51:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_get_fabric_name [2021-12-14 17:51:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_get_fabric_name [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_close_session [2021-12-14 17:51:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_close_session [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2021-12-14 17:51:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:51:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:51:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_name [2021-12-14 17:51:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_name [2021-12-14 17:51:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_session [2021-12-14 17:51:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_session [2021-12-14 17:51:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure btree_update32 [2021-12-14 17:51:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_update32 [2021-12-14 17:51:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-14 17:51:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-14 17:51:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_pr_out_transport_id [2021-12-14 17:51:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_pr_out_transport_id [2021-12-14 17:51:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_nodeacl [2021-12-14 17:51:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_nodeacl [2021-12-14 17:51:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_nodeacl [2021-12-14 17:51:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_nodeacl [2021-12-14 17:51:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:51:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:51:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-14 17:51:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-14 17:51:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:51:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:51:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_xmit_response [2021-12-14 17:51:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_xmit_response [2021-12-14 17:51:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_cmd [2021-12-14 17:51:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_cmd [2021-12-14 17:51:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:51:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:51:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_tpg [2021-12-14 17:51:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_tpg [2021-12-14 17:51:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_default_depth [2021-12-14 17:51:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_default_depth [2021-12-14 17:51:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_session [2021-12-14 17:51:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_session [2021-12-14 17:51:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure target_reverse_dma_direction [2021-12-14 17:51:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure target_reverse_dma_direction [2021-12-14 17:51:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure btree_lookup32 [2021-12-14 17:51:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_lookup32 [2021-12-14 17:51:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:51:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 17:51:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 17:51:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:51:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:51:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_alloc_fabric_acl [2021-12-14 17:51:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_alloc_fabric_acl [2021-12-14 17:51:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:51:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:51:03,994 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:51:04,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:51:04,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:51:12,882 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:51:12,896 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:51:12,897 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:51:12,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:12 BoogieIcfgContainer [2021-12-14 17:51:12,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:51:12,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:51:12,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:51:12,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:51:12,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:50:59" (1/3) ... [2021-12-14 17:51:12,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161eacc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:12, skipping insertion in model container [2021-12-14 17:51:12,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:02" (2/3) ... [2021-12-14 17:51:12,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161eacc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:12, skipping insertion in model container [2021-12-14 17:51:12,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:12" (3/3) ... [2021-12-14 17:51:12,907 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 [2021-12-14 17:51:12,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:51:12,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:51:12,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:51:12,953 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:51:12,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:51:12,996 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) [2021-12-14 17:51:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-14 17:51:13,017 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:13,018 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] [2021-12-14 17:51:13,019 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1483788873, now seen corresponding path program 1 times [2021-12-14 17:51:13,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263052091] [2021-12-14 17:51:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:13,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:51:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:51:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:51:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:51:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:51:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:51:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:51:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:51:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:51:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:51:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:51:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:51:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:51:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:51:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:51:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:51:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 17:51:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 17:51:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:51:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-14 17:51:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:51:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:51:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 17:51:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 17:51:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:51:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 17:51:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 17:51:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-14 17:51:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 17:51:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 17:51:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 17:51:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:51:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 17:51:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 17:51:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 17:51:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-14 17:51:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 17:51:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 17:51:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 17:51:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 17:51:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 17:51:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-14 17:51:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-14 17:51:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-14 17:51:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2021-12-14 17:51:14,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:14,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263052091] [2021-12-14 17:51:14,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263052091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:14,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:14,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:51:14,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922180021] [2021-12-14 17:51:14,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:14,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:51:14,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:51:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:51:14,483 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) [2021-12-14 17:51:20,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:22,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:24,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:26,838 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 [] [2021-12-14 17:51:30,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:30,945 INFO L93 Difference]: Finished difference Result 6045 states and 9122 transitions. [2021-12-14 17:51:30,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:51:30,948 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 [2021-12-14 17:51:30,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:30,995 INFO L225 Difference]: With dead ends: 6045 [2021-12-14 17:51:30,995 INFO L226 Difference]: Without dead ends: 3847 [2021-12-14 17:51:31,011 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 [2021-12-14 17:51:31,016 INFO L933 BasicCegarLoop]: 3192 mSDtfsCounter, 3992 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 2757 mSolverCounterSat, 2295 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 8471 SdHoareTripleChecker+Invalid, 5056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 2757 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:31,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4302 Valid, 8471 Invalid, 5056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2295 Valid, 2757 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2021-12-14 17:51:31,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2021-12-14 17:51:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3707. [2021-12-14 17:51:31,417 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) [2021-12-14 17:51:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 5354 transitions. [2021-12-14 17:51:31,440 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 5354 transitions. Word has length 347 [2021-12-14 17:51:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:31,442 INFO L470 AbstractCegarLoop]: Abstraction has 3707 states and 5354 transitions. [2021-12-14 17:51:31,443 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) [2021-12-14 17:51:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 5354 transitions. [2021-12-14 17:51:31,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-14 17:51:31,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:31,453 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] [2021-12-14 17:51:31,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:51:31,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:31,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:31,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1230379648, now seen corresponding path program 1 times [2021-12-14 17:51:31,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:31,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391778001] [2021-12-14 17:51:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:31,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:51:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:51:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:51:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:51:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:51:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:51:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:51:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:51:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:51:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:51:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:51:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:51:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:51:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:51:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:51:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:51:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 17:51:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 17:51:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:51:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-14 17:51:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:51:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:51:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 17:51:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 17:51:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:51:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 17:51:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 17:51:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-14 17:51:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 17:51:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 17:51:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 17:51:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:51:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 17:51:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 17:51:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 17:51:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-14 17:51:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 17:51:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 17:51:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 17:51:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 17:51:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 17:51:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-14 17:51:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-14 17:51:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-14 17:51:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2021-12-14 17:51:32,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:32,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391778001] [2021-12-14 17:51:32,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391778001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:32,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:32,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:51:32,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606953839] [2021-12-14 17:51:32,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:32,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:51:32,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:32,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:51:32,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:51:32,291 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) [2021-12-14 17:51:35,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:37,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:39,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:41,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:47,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:50,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:52,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:55,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:57,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:51:57,767 INFO L93 Difference]: Finished difference Result 10143 states and 14687 transitions. [2021-12-14 17:51:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:51:57,768 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 351 [2021-12-14 17:51:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:51:57,799 INFO L225 Difference]: With dead ends: 10143 [2021-12-14 17:51:57,800 INFO L226 Difference]: Without dead ends: 6539 [2021-12-14 17:51:57,809 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 [2021-12-14 17:51:57,812 INFO L933 BasicCegarLoop]: 3752 mSDtfsCounter, 3526 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 1933 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3813 SdHoareTripleChecker+Valid, 9666 SdHoareTripleChecker+Invalid, 4755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1933 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:51:57,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3813 Valid, 9666 Invalid, 4755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1933 Valid, 2814 Invalid, 8 Unknown, 0 Unchecked, 25.1s Time] [2021-12-14 17:51:57,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6539 states. [2021-12-14 17:51:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6539 to 6301. [2021-12-14 17:51:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6301 states, 4500 states have (on average 1.376) internal successors, (6192), 4624 states have internal predecessors, (6192), 1420 states have call successors, (1420), 381 states have call predecessors, (1420), 380 states have return successors, (1418), 1339 states have call predecessors, (1418), 1418 states have call successors, (1418) [2021-12-14 17:51:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6301 states to 6301 states and 9030 transitions. [2021-12-14 17:51:58,010 INFO L78 Accepts]: Start accepts. Automaton has 6301 states and 9030 transitions. Word has length 351 [2021-12-14 17:51:58,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:51:58,011 INFO L470 AbstractCegarLoop]: Abstraction has 6301 states and 9030 transitions. [2021-12-14 17:51:58,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-14 17:51:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 9030 transitions. [2021-12-14 17:51:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2021-12-14 17:51:58,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:58,030 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 66, 9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:51:58,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:51:58,030 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:58,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash -941200576, now seen corresponding path program 1 times [2021-12-14 17:51:58,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:58,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955454416] [2021-12-14 17:51:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:58,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:51:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:51:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:51:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:51:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:51:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:51:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:51:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:51:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:51:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:51:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 17:51:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:51:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 17:51:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:51:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 17:51:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 17:51:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 17:51:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 17:51:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 17:51:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:51:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-14 17:51:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:51:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:51:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 17:51:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 17:51:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:51:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-14 17:51:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 17:51:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-14 17:51:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 17:51:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 17:51:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 17:51:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:51:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 17:51:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 17:51:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 17:51:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-14 17:51:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-14 17:51:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 17:51:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 17:51:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 17:51:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 17:51:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-14 17:51:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-14 17:51:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-14 17:51:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-14 17:51:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 17:51:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 17:51:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 17:51:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-14 17:51:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-14 17:51:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-14 17:51:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-14 17:51:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-14 17:51:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 17:51:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-14 17:51:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 17:51:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-14 17:51:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-14 17:51:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-14 17:51:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 17:51:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-14 17:51:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-14 17:51:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-14 17:51:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-14 17:51:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-14 17:51:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 17:51:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-14 17:51:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-14 17:51:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-14 17:51:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-14 17:51:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-14 17:51:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-14 17:51:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-14 17:51:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8731 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8727 trivial. 0 not checked. [2021-12-14 17:51:59,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:59,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955454416] [2021-12-14 17:51:59,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955454416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:59,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:59,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:51:59,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138804514] [2021-12-14 17:51:59,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:59,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:51:59,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:59,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:51:59,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:51:59,402 INFO L87 Difference]: Start difference. First operand 6301 states and 9030 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (85), 5 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2021-12-14 17:52:02,533 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 []