./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc --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 fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:49:04,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:49:04,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:49:04,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:49:04,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:49:04,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:49:04,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:49:04,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:49:04,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:49:04,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:49:04,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:49:04,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:49:04,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:49:04,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:49:04,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:49:04,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:49:04,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:49:04,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:49:04,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:49:04,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:49:04,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:49:04,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:49:04,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:49:04,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:49:04,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:49:04,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:49:04,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:49:04,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:49:04,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:49:04,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:49:04,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:49:04,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:49:04,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:49:04,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:49:04,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:49:04,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:49:04,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:49:04,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:49:04,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:49:04,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:49:04,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:49:04,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:49:04,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:49:04,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:49:04,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:49:04,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:49:04,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:49:04,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:49:04,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:49:04,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:49:04,686 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:49:04,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:49:04,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:49:04,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:49:04,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:49:04,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:49:04,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:49:04,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:49:04,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:49:04,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:49:04,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:49:04,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:49:04,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:49:04,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:49:04,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:49:04,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:49:04,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:49:04,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:49:04,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:49:04,694 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:49:04,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:49:04,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:49:04,701 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2022-11-02 20:49:05,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:49:05,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:49:05,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:49:05,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:49:05,096 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:49:05,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-02 20:49:05,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/data/2beeea11a/4f48e24998b04fcaa160af2053fbde33/FLAG0eb3269e3 [2022-11-02 20:49:06,539 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:49:06,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-02 20:49:06,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/data/2beeea11a/4f48e24998b04fcaa160af2053fbde33/FLAG0eb3269e3 [2022-11-02 20:49:07,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/data/2beeea11a/4f48e24998b04fcaa160af2053fbde33 [2022-11-02 20:49:07,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:49:07,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:49:07,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:49:07,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:49:07,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:49:07,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:49:07" (1/1) ... [2022-11-02 20:49:07,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570acf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:07, skipping insertion in model container [2022-11-02 20:49:07,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:49:07" (1/1) ... [2022-11-02 20:49:07,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:49:07,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:49:16,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-02 20:49:17,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:17,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:49:18,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-02 20:49:18,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:19,274 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:49:19,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19 WrapperNode [2022-11-02 20:49:19,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:49:19,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:19,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:49:19,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:49:19,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:19,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,052 INFO L138 Inliner]: procedures = 757, calls = 11058, calls flagged for inlining = 310, calls inlined = 146, statements flattened = 13554 [2022-11-02 20:49:20,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:20,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:49:20,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:49:20,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:49:20,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:20,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:21,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:49:21,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:49:21,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:49:21,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:49:21,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (1/1) ... [2022-11-02 20:49:21,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:49:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:49:21,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:49:21,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f67b9-ed45-4a36-a7ae-69471c14c4e2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:49:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2022-11-02 20:49:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2022-11-02 20:49:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2022-11-02 20:49:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2022-11-02 20:49:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2022-11-02 20:49:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2022-11-02 20:49:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-02 20:49:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-02 20:49:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2022-11-02 20:49:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2022-11-02 20:49:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-02 20:49:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-02 20:49:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2022-11-02 20:49:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2022-11-02 20:49:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2022-11-02 20:49:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2022-11-02 20:49:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2022-11-02 20:49:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2022-11-02 20:49:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2022-11-02 20:49:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2022-11-02 20:49:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:49:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:49:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2022-11-02 20:49:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2022-11-02 20:49:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2022-11-02 20:49:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2022-11-02 20:49:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-02 20:49:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-02 20:49:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2022-11-02 20:49:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2022-11-02 20:49:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-02 20:49:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-02 20:49:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2022-11-02 20:49:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2022-11-02 20:49:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:49:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:49:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2022-11-02 20:49:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2022-11-02 20:49:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-02 20:49:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-02 20:49:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2022-11-02 20:49:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2022-11-02 20:49:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2022-11-02 20:49:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2022-11-02 20:49:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2022-11-02 20:49:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2022-11-02 20:49:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2022-11-02 20:49:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2022-11-02 20:49:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:49:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:49:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-02 20:49:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-02 20:49:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2022-11-02 20:49:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2022-11-02 20:49:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2022-11-02 20:49:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2022-11-02 20:49:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2022-11-02 20:49:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2022-11-02 20:49:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-02 20:49:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-02 20:49:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2022-11-02 20:49:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2022-11-02 20:49:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:49:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:49:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2022-11-02 20:49:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2022-11-02 20:49:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:49:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:49:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-02 20:49:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-02 20:49:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:49:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:49:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:49:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2022-11-02 20:49:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2022-11-02 20:49:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2022-11-02 20:49:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2022-11-02 20:49:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2022-11-02 20:49:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2022-11-02 20:49:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2022-11-02 20:49:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2022-11-02 20:49:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2022-11-02 20:49:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2022-11-02 20:49:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2022-11-02 20:49:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2022-11-02 20:49:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:49:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:49:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2022-11-02 20:49:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2022-11-02 20:49:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:49:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:49:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2022-11-02 20:49:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2022-11-02 20:49:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2022-11-02 20:49:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2022-11-02 20:49:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:49:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2022-11-02 20:49:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2022-11-02 20:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:49:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-02 20:49:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-02 20:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2022-11-02 20:49:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2022-11-02 20:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2022-11-02 20:49:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2022-11-02 20:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2022-11-02 20:49:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2022-11-02 20:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2022-11-02 20:49:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2022-11-02 20:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-02 20:49:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-02 20:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-02 20:49:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-02 20:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2022-11-02 20:49:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2022-11-02 20:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2022-11-02 20:49:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2022-11-02 20:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2022-11-02 20:49:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2022-11-02 20:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:49:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-02 20:49:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-02 20:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-02 20:49:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-02 20:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2022-11-02 20:49:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2022-11-02 20:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2022-11-02 20:49:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2022-11-02 20:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2022-11-02 20:49:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2022-11-02 20:49:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2022-11-02 20:49:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2022-11-02 20:49:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2022-11-02 20:49:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2022-11-02 20:49:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:49:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:49:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2022-11-02 20:49:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2022-11-02 20:49:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:49:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:49:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:49:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:49:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:49:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:49:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2022-11-02 20:49:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2022-11-02 20:49:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-02 20:49:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-02 20:49:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 20:49:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 20:49:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-02 20:49:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-02 20:49:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2022-11-02 20:49:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2022-11-02 20:49:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-02 20:49:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-02 20:49:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:49:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 20:49:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 20:49:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2022-11-02 20:49:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2022-11-02 20:49:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2022-11-02 20:49:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2022-11-02 20:49:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2022-11-02 20:49:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2022-11-02 20:49:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:49:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:49:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:49:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2022-11-02 20:49:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2022-11-02 20:49:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-02 20:49:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-02 20:49:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:49:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2022-11-02 20:49:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2022-11-02 20:49:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-02 20:49:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-02 20:49:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:49:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2022-11-02 20:49:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2022-11-02 20:49:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:49:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:49:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2022-11-02 20:49:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2022-11-02 20:49:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-02 20:49:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-02 20:49:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2022-11-02 20:49:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2022-11-02 20:49:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2022-11-02 20:49:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2022-11-02 20:49:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2022-11-02 20:49:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2022-11-02 20:49:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-02 20:49:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-02 20:49:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2022-11-02 20:49:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2022-11-02 20:49:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2022-11-02 20:49:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2022-11-02 20:49:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2022-11-02 20:49:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2022-11-02 20:49:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2022-11-02 20:49:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2022-11-02 20:49:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2022-11-02 20:49:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2022-11-02 20:49:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-02 20:49:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-02 20:49:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2022-11-02 20:49:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2022-11-02 20:49:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2022-11-02 20:49:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2022-11-02 20:49:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2022-11-02 20:49:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2022-11-02 20:49:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2022-11-02 20:49:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2022-11-02 20:49:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:49:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:49:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:49:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:49:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2022-11-02 20:49:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2022-11-02 20:49:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2022-11-02 20:49:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2022-11-02 20:49:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-02 20:49:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-02 20:49:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2022-11-02 20:49:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2022-11-02 20:49:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-02 20:49:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-02 20:49:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2022-11-02 20:49:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2022-11-02 20:49:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2022-11-02 20:49:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2022-11-02 20:49:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-02 20:49:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-02 20:49:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2022-11-02 20:49:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2022-11-02 20:49:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:49:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:49:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:49:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:49:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:49:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:49:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-02 20:49:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-02 20:49:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2022-11-02 20:49:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2022-11-02 20:49:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2022-11-02 20:49:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2022-11-02 20:49:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:49:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:49:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2022-11-02 20:49:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2022-11-02 20:49:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2022-11-02 20:49:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2022-11-02 20:49:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:49:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:49:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2022-11-02 20:49:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2022-11-02 20:49:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2022-11-02 20:49:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2022-11-02 20:49:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2022-11-02 20:49:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2022-11-02 20:49:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2022-11-02 20:49:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2022-11-02 20:49:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:49:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:49:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:49:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:49:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2022-11-02 20:49:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2022-11-02 20:49:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2022-11-02 20:49:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2022-11-02 20:49:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2022-11-02 20:49:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2022-11-02 20:49:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-02 20:49:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-02 20:49:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-02 20:49:21,212 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-02 20:49:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:49:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2022-11-02 20:49:21,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2022-11-02 20:49:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2022-11-02 20:49:21,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2022-11-02 20:49:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2022-11-02 20:49:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2022-11-02 20:49:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2022-11-02 20:49:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2022-11-02 20:49:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2022-11-02 20:49:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2022-11-02 20:49:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-02 20:49:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-02 20:49:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2022-11-02 20:49:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2022-11-02 20:49:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2022-11-02 20:49:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2022-11-02 20:49:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2022-11-02 20:49:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2022-11-02 20:49:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-02 20:49:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-02 20:49:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-02 20:49:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-02 20:49:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-02 20:49:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-02 20:49:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-02 20:49:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-02 20:49:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:49:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:49:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:49:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:49:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2022-11-02 20:49:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2022-11-02 20:49:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2022-11-02 20:49:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2022-11-02 20:49:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:49:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:49:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2022-11-02 20:49:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2022-11-02 20:49:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 20:49:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 20:49:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:49:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:49:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:49:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:49:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2022-11-02 20:49:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2022-11-02 20:49:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2022-11-02 20:49:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2022-11-02 20:49:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2022-11-02 20:49:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2022-11-02 20:49:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2022-11-02 20:49:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2022-11-02 20:49:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:49:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:49:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:49:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:49:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:49:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2022-11-02 20:49:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2022-11-02 20:49:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2022-11-02 20:49:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2022-11-02 20:49:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2022-11-02 20:49:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2022-11-02 20:49:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:49:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2022-11-02 20:49:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2022-11-02 20:49:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-02 20:49:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-02 20:49:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2022-11-02 20:49:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2022-11-02 20:49:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-02 20:49:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-02 20:49:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2022-11-02 20:49:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2022-11-02 20:49:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2022-11-02 20:49:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2022-11-02 20:49:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2022-11-02 20:49:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2022-11-02 20:49:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2022-11-02 20:49:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2022-11-02 20:49:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2022-11-02 20:49:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2022-11-02 20:49:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:49:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2022-11-02 20:49:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2022-11-02 20:49:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:49:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:49:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-02 20:49:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:49:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:49:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:49:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:49:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2022-11-02 20:49:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2022-11-02 20:49:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2022-11-02 20:49:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2022-11-02 20:49:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2022-11-02 20:49:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2022-11-02 20:49:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2022-11-02 20:49:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2022-11-02 20:49:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2022-11-02 20:49:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2022-11-02 20:49:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2022-11-02 20:49:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2022-11-02 20:49:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2022-11-02 20:49:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2022-11-02 20:49:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:49:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:49:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2022-11-02 20:49:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2022-11-02 20:49:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-02 20:49:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-02 20:49:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-02 20:49:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-02 20:49:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2022-11-02 20:49:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2022-11-02 20:49:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-02 20:49:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-02 20:49:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-02 20:49:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-02 20:49:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-02 20:49:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-02 20:49:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2022-11-02 20:49:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2022-11-02 20:49:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2022-11-02 20:49:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2022-11-02 20:49:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-02 20:49:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-02 20:49:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2022-11-02 20:49:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2022-11-02 20:49:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:49:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:49:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2022-11-02 20:49:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2022-11-02 20:49:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 20:49:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 20:49:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2022-11-02 20:49:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2022-11-02 20:49:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2022-11-02 20:49:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2022-11-02 20:49:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2022-11-02 20:49:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2022-11-02 20:49:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2022-11-02 20:49:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2022-11-02 20:49:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2022-11-02 20:49:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2022-11-02 20:49:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2022-11-02 20:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2022-11-02 20:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2022-11-02 20:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2022-11-02 20:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2022-11-02 20:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2022-11-02 20:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-02 20:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-02 20:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-02 20:49:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-02 20:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2022-11-02 20:49:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2022-11-02 20:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:49:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2022-11-02 20:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2022-11-02 20:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2022-11-02 20:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2022-11-02 20:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2022-11-02 20:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2022-11-02 20:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2022-11-02 20:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2022-11-02 20:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2022-11-02 20:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2022-11-02 20:49:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2022-11-02 20:49:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2022-11-02 20:49:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-02 20:49:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-02 20:49:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:49:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:49:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-02 20:49:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-02 20:49:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-02 20:49:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-02 20:49:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-02 20:49:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-02 20:49:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2022-11-02 20:49:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2022-11-02 20:49:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2022-11-02 20:49:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2022-11-02 20:49:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2022-11-02 20:49:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2022-11-02 20:49:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-02 20:49:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-02 20:49:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-02 20:49:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-02 20:49:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2022-11-02 20:49:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2022-11-02 20:49:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:49:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:49:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2022-11-02 20:49:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2022-11-02 20:49:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2022-11-02 20:49:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2022-11-02 20:49:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:49:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:49:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2022-11-02 20:49:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2022-11-02 20:49:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:49:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:49:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 20:49:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 20:49:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:49:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:49:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-02 20:49:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-02 20:49:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:49:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2022-11-02 20:49:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2022-11-02 20:49:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2022-11-02 20:49:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2022-11-02 20:49:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:49:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:49:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:49:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-02 20:49:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-02 20:49:22,940 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:49:22,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:49:48,245 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:49:48,288 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:49:48,288 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:49:48,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:48 BoogieIcfgContainer [2022-11-02 20:49:48,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:49:48,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:49:48,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:49:48,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:49:48,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:49:07" (1/3) ... [2022-11-02 20:49:48,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9fe4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:49:48, skipping insertion in model container [2022-11-02 20:49:48,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:19" (2/3) ... [2022-11-02 20:49:48,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9fe4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:49:48, skipping insertion in model container [2022-11-02 20:49:48,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:48" (3/3) ... [2022-11-02 20:49:48,309 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-02 20:49:48,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:49:48,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:49:48,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:49:48,517 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@93446ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:49:48,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:49:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 5131 states, 3662 states have (on average 1.4120699071545604) internal successors, (5171), 3790 states have internal predecessors, (5171), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-11-02 20:49:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 20:49:48,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:48,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:48,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash -577367309, now seen corresponding path program 1 times [2022-11-02 20:49:48,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:48,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047557313] [2022-11-02 20:49:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:49:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:50,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:50,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047557313] [2022-11-02 20:49:50,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047557313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:50,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:50,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:50,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056651056] [2022-11-02 20:49:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:50,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:50,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:50,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:50,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:50,363 INFO L87 Difference]: Start difference. First operand has 5131 states, 3662 states have (on average 1.4120699071545604) internal successors, (5171), 3790 states have internal predecessors, (5171), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:08,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:08,521 INFO L93 Difference]: Finished difference Result 11331 states and 17346 transitions. [2022-11-02 20:50:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-02 20:50:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:08,599 INFO L225 Difference]: With dead ends: 11331 [2022-11-02 20:50:08,599 INFO L226 Difference]: Without dead ends: 6194 [2022-11-02 20:50:08,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:50:08,653 INFO L413 NwaCegarLoop]: 6610 mSDtfsCounter, 10866 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 4449 mSolverCounterSat, 4023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11333 SdHoareTripleChecker+Valid, 6654 SdHoareTripleChecker+Invalid, 8472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4023 IncrementalHoareTripleChecker+Valid, 4449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:08,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11333 Valid, 6654 Invalid, 8472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4023 Valid, 4449 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-11-02 20:50:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6194 states. [2022-11-02 20:50:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6194 to 5115. [2022-11-02 20:50:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3650 states have (on average 1.4106849315068493) internal successors, (5149), 3774 states have internal predecessors, (5149), 1221 states have call successors, (1221), 245 states have call predecessors, (1221), 243 states have return successors, (1211), 1165 states have call predecessors, (1211), 1211 states have call successors, (1211) [2022-11-02 20:50:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7581 transitions. [2022-11-02 20:50:09,218 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7581 transitions. Word has length 12 [2022-11-02 20:50:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:09,219 INFO L495 AbstractCegarLoop]: Abstraction has 5115 states and 7581 transitions. [2022-11-02 20:50:09,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7581 transitions. [2022-11-02 20:50:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 20:50:09,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:09,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:09,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:50:09,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:50:09,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash -720699983, now seen corresponding path program 1 times [2022-11-02 20:50:09,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:09,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067884993] [2022-11-02 20:50:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:09,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:50:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:10,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:10,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067884993] [2022-11-02 20:50:10,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067884993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:10,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:10,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:50:10,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140602793] [2022-11-02 20:50:10,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:10,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:50:10,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:10,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:50:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:50:10,068 INFO L87 Difference]: Start difference. First operand 5115 states and 7581 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:39,029 INFO L93 Difference]: Finished difference Result 14792 states and 22431 transitions. [2022-11-02 20:50:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:39,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-02 20:50:39,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:39,096 INFO L225 Difference]: With dead ends: 14792 [2022-11-02 20:50:39,096 INFO L226 Difference]: Without dead ends: 9683 [2022-11-02 20:50:39,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:50:39,131 INFO L413 NwaCegarLoop]: 8585 mSDtfsCounter, 11948 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 10089 mSolverCounterSat, 4616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12854 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 14705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4616 IncrementalHoareTripleChecker+Valid, 10089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:39,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12854 Valid, 9602 Invalid, 14705 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4616 Valid, 10089 Invalid, 0 Unknown, 0 Unchecked, 27.6s Time] [2022-11-02 20:50:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9683 states. [2022-11-02 20:50:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9683 to 9205. [2022-11-02 20:50:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9205 states, 6588 states have (on average 1.410595021250759) internal successors, (9293), 6858 states have internal predecessors, (9293), 2158 states have call successors, (2158), 448 states have call predecessors, (2158), 458 states have return successors, (2314), 2040 states have call predecessors, (2314), 2141 states have call successors, (2314) [2022-11-02 20:50:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9205 states to 9205 states and 13765 transitions. [2022-11-02 20:50:39,881 INFO L78 Accepts]: Start accepts. Automaton has 9205 states and 13765 transitions. Word has length 13 [2022-11-02 20:50:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:39,882 INFO L495 AbstractCegarLoop]: Abstraction has 9205 states and 13765 transitions. [2022-11-02 20:50:39,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 9205 states and 13765 transitions. [2022-11-02 20:50:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-02 20:50:39,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:39,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:39,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:50:39,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:50:39,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash -869040714, now seen corresponding path program 1 times [2022-11-02 20:50:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:39,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909117040] [2022-11-02 20:50:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:50:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:40,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:40,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909117040] [2022-11-02 20:50:40,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909117040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:40,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:40,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:50:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697317628] [2022-11-02 20:50:40,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:40,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:50:40,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:40,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:50:40,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:50:40,770 INFO L87 Difference]: Start difference. First operand 9205 states and 13765 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:55,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:55,782 INFO L93 Difference]: Finished difference Result 9802 states and 14709 transitions. [2022-11-02 20:50:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:55,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-02 20:50:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:55,836 INFO L225 Difference]: With dead ends: 9802 [2022-11-02 20:50:55,836 INFO L226 Difference]: Without dead ends: 9799 [2022-11-02 20:50:55,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:50:55,845 INFO L413 NwaCegarLoop]: 6496 mSDtfsCounter, 10922 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 4442 mSolverCounterSat, 4049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11386 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 8491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4049 IncrementalHoareTripleChecker+Valid, 4442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:55,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11386 Valid, 6537 Invalid, 8491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4049 Valid, 4442 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-11-02 20:50:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9799 states. [2022-11-02 20:50:56,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9799 to 9204. [2022-11-02 20:50:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9204 states, 6588 states have (on average 1.4104432301153613) internal successors, (9292), 6857 states have internal predecessors, (9292), 2157 states have call successors, (2157), 448 states have call predecessors, (2157), 458 states have return successors, (2314), 2040 states have call predecessors, (2314), 2141 states have call successors, (2314) [2022-11-02 20:50:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9204 states to 9204 states and 13763 transitions. [2022-11-02 20:50:56,563 INFO L78 Accepts]: Start accepts. Automaton has 9204 states and 13763 transitions. Word has length 14 [2022-11-02 20:50:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:56,563 INFO L495 AbstractCegarLoop]: Abstraction has 9204 states and 13763 transitions. [2022-11-02 20:50:56,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:50:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9204 states and 13763 transitions. [2022-11-02 20:50:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-02 20:50:56,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:56,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:56,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:50:56,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:50:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1172631212, now seen corresponding path program 1 times [2022-11-02 20:50:56,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:56,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444730668] [2022-11-02 20:50:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:56,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:50:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:57,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:57,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444730668] [2022-11-02 20:50:57,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444730668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:57,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:57,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:50:57,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398459956] [2022-11-02 20:50:57,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:57,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:50:57,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:57,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:50:57,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:50:57,414 INFO L87 Difference]: Start difference. First operand 9204 states and 13763 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:51:30,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:51:34,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:51:39,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:39,831 INFO L93 Difference]: Finished difference Result 28579 states and 44337 transitions. [2022-11-02 20:51:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:39,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-02 20:51:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:39,932 INFO L225 Difference]: With dead ends: 28579 [2022-11-02 20:51:39,932 INFO L226 Difference]: Without dead ends: 19376 [2022-11-02 20:51:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:39,992 INFO L413 NwaCegarLoop]: 12027 mSDtfsCounter, 12338 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 13880 mSolverCounterSat, 4519 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13514 SdHoareTripleChecker+Valid, 14364 SdHoareTripleChecker+Invalid, 18400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4519 IncrementalHoareTripleChecker+Valid, 13880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:39,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13514 Valid, 14364 Invalid, 18400 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4519 Valid, 13880 Invalid, 1 Unknown, 0 Unchecked, 40.6s Time] [2022-11-02 20:51:40,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19376 states. [2022-11-02 20:51:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19376 to 18736. [2022-11-02 20:51:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18736 states, 13394 states have (on average 1.4099596834403465) internal successors, (18885), 13962 states have internal predecessors, (18885), 4400 states have call successors, (4400), 891 states have call predecessors, (4400), 941 states have return successors, (5492), 4175 states have call predecessors, (5492), 4383 states have call successors, (5492) [2022-11-02 20:51:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18736 states to 18736 states and 28777 transitions. [2022-11-02 20:51:41,683 INFO L78 Accepts]: Start accepts. Automaton has 18736 states and 28777 transitions. Word has length 15 [2022-11-02 20:51:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:41,684 INFO L495 AbstractCegarLoop]: Abstraction has 18736 states and 28777 transitions. [2022-11-02 20:51:41,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:51:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 18736 states and 28777 transitions. [2022-11-02 20:51:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-02 20:51:41,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:41,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:41,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:51:41,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash -588515942, now seen corresponding path program 1 times [2022-11-02 20:51:41,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:41,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247259522] [2022-11-02 20:51:41,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:51:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:51:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:51:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:51:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:51:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:42,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:42,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247259522] [2022-11-02 20:51:42,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247259522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:42,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:42,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:51:42,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406577622] [2022-11-02 20:51:42,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:42,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:42,657 INFO L87 Difference]: Start difference. First operand 18736 states and 28777 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:52:06,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:52:09,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:52:12,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:12,245 INFO L93 Difference]: Finished difference Result 38026 states and 58548 transitions. [2022-11-02 20:52:12,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:52:12,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-02 20:52:12,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:12,345 INFO L225 Difference]: With dead ends: 38026 [2022-11-02 20:52:12,345 INFO L226 Difference]: Without dead ends: 19296 [2022-11-02 20:52:12,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:12,443 INFO L413 NwaCegarLoop]: 7102 mSDtfsCounter, 3886 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 10094 mSolverCounterSat, 1501 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4669 SdHoareTripleChecker+Valid, 8916 SdHoareTripleChecker+Invalid, 11597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 10094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:12,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4669 Valid, 8916 Invalid, 11597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1501 Valid, 10094 Invalid, 2 Unknown, 0 Unchecked, 27.9s Time] [2022-11-02 20:52:12,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19296 states. [2022-11-02 20:52:13,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 18740. [2022-11-02 20:52:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18740 states, 13398 states have (on average 1.409837289147634) internal successors, (18889), 13966 states have internal predecessors, (18889), 4400 states have call successors, (4400), 891 states have call predecessors, (4400), 941 states have return successors, (5492), 4175 states have call predecessors, (5492), 4383 states have call successors, (5492) [2022-11-02 20:52:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18740 states to 18740 states and 28781 transitions. [2022-11-02 20:52:14,107 INFO L78 Accepts]: Start accepts. Automaton has 18740 states and 28781 transitions. Word has length 66 [2022-11-02 20:52:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:14,107 INFO L495 AbstractCegarLoop]: Abstraction has 18740 states and 28781 transitions. [2022-11-02 20:52:14,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:52:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 18740 states and 28781 transitions. [2022-11-02 20:52:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-02 20:52:14,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:14,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:14,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:52:14,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1334712092, now seen corresponding path program 1 times [2022-11-02 20:52:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:14,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511400849] [2022-11-02 20:52:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:52:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:52:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:52:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:52:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:52:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:52:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:52:14,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:14,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511400849] [2022-11-02 20:52:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511400849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:14,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:52:14,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980229632] [2022-11-02 20:52:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:14,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:52:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:52:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:52:14,928 INFO L87 Difference]: Start difference. First operand 18740 states and 28781 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:52:18,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []